Australia and Serbia leaders discuss Novak Djokovic’s visa


              A photographer takes a photo of defending champion Serbia's Novak Djokovic on an electronic screen ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (AP Photo/Mark Baker)
            
              In this photo supplied by Tennis Australia, defending champion Serbia's Novak Djokovic, second left, talks with a member of his team during a practice session in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Scott Barbour/Tennis Australia via AP)
            
              Defending champion Serbia's Novak Djokovic plays a forehand return during a practice session at the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic, plays a forehand return during a practice session in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic takes a drink during a practice session at the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Visitors stop to take a photo of a billboard featuring defending champion Serbia's Novak Djokovic ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (AP Photo/Mark Baker)
            
              In this photo supplied by Tennis Australia, defending champion Serbia's Novak Djokovic practices in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Scott Barbour/Tennis Australia via AP)
            
              Serbia's Novak Djokovic sits on a bench as he trains on a tennis court in Marbella, Spain, on Jan. 2, 2022. Djokovic held a practice session on Tuesday, Jan. 11, a day after he left immigration detention, focusing on defending his Australian Open. There were also new questions raised Tuesday over an immigration form, on which he said he had not traveled in the 14 days before his flight to Australia. The Monte Carlo-based athlete was seen in Spain and Serbia in that two-week period. (KMJ/GTRES via AP)
            
              Serbia's Novak Djokovic trains on a tennis court in Marbella, Spain, on Jan. 2, 2022. Djokovic held a practice session on Tuesday, Jan. 11, a day after he left immigration detention, focusing on defending his Australian Open. There were also new questions raised Tuesday over an immigration form, on which he said he had not traveled in the 14 days before his flight to Australia. The Monte Carlo-based athlete was seen in Spain and Serbia in that two-week period. (KMJ/GTRES via AP)
            
              Defending champion Serbia's Novak Djokovic, left, changes his shirt during a practice session at the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic, left, talks with a teammate during a practice session in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic, left, talks with his coach Goran Ivanisevic during a practice session in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              A photographer takes a photo of defending champion Serbia's Novak Djokovic on an electronic screen ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (AP Photo/Mark Baker)
            
              In this photo supplied by Tennis Australia, defending champion Serbia's Novak Djokovic, second left, talks with a member of his team during a practice session in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Scott Barbour/Tennis Australia via AP)
            
              Defending champion Serbia's Novak Djokovic plays a forehand return during a practice session at the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic, plays a forehand return during a practice session in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic takes a drink during a practice session at the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Visitors stop to take a photo of a billboard featuring defending champion Serbia's Novak Djokovic ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (AP Photo/Mark Baker)
            
              In this photo supplied by Tennis Australia, defending champion Serbia's Novak Djokovic practices in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Scott Barbour/Tennis Australia via AP)
            
              Serbia's Novak Djokovic sits on a bench as he trains on a tennis court in Marbella, Spain, on Jan. 2, 2022. Djokovic held a practice session on Tuesday, Jan. 11, a day after he left immigration detention, focusing on defending his Australian Open. There were also new questions raised Tuesday over an immigration form, on which he said he had not traveled in the 14 days before his flight to Australia. The Monte Carlo-based athlete was seen in Spain and Serbia in that two-week period. (KMJ/GTRES via AP)
            
              Serbia's Novak Djokovic trains on a tennis court in Marbella, Spain, on Jan. 2, 2022. Djokovic held a practice session on Tuesday, Jan. 11, a day after he left immigration detention, focusing on defending his Australian Open. There were also new questions raised Tuesday over an immigration form, on which he said he had not traveled in the 14 days before his flight to Australia. The Monte Carlo-based athlete was seen in Spain and Serbia in that two-week period. (KMJ/GTRES via AP)
            
              Defending champion Serbia's Novak Djokovic, left, changes his shirt during a practice session at the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic, left, talks with a teammate during a practice session in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic, left, talks with his coach Goran Ivanisevic during a practice session in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              A photographer takes a photo of defending champion Serbia's Novak Djokovic on an electronic screen ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (AP Photo/Mark Baker)
            
              In this photo supplied by Tennis Australia, defending champion Serbia's Novak Djokovic, second left, talks with a member of his team during a practice session in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Scott Barbour/Tennis Australia via AP)
            
              Defending champion Serbia's Novak Djokovic plays a forehand return during a practice session at the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic, plays a forehand return during a practice session in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic takes a drink during a practice session at the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Visitors stop to take a photo of a billboard featuring defending champion Serbia's Novak Djokovic ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (AP Photo/Mark Baker)
            
              In this photo supplied by Tennis Australia, defending champion Serbia's Novak Djokovic practices in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Scott Barbour/Tennis Australia via AP)
            
              Defending champion Serbia's Novak Djokovic, left, changes his shirt during a practice session at the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic, left, talks with a teammate during a practice session in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic, left, talks with his coach Goran Ivanisevic during a practice session in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic, plays a forehand return during a practice session in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic takes a drink during a practice session at the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic, left, talks with a teammate during a practice session in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic, left, changes his shirt during a practice session at the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic plays a forehand return during a practice session at the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic plays a forehand return during a practice session in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic, plays a forehand return during a practice session in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic takes a drink during a practice session at the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic, left, talks with a teammate during a practice session in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic, left, changes his shirt during a practice session at the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic plays a forehand return during a practice session at the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              Defending champion Serbia's Novak Djokovic plays a forehand return during a practice session in the Rod Laver Arena ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Kelly Defina/Pool Photo via AP)
            
              A photographer takes a photo of defending champion Serbia's Novak Djokovic on an electronic screen ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (AP Photo/Mark Baker)
            
              Visitors stop to take a photo of a billboard featuring defending champion Serbia's Novak Djokovic ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (AP Photo/Mark Baker)
            
              Visitors stop to take a photo of a billboard featuring defending champion Serbia's Novak Djokovic ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (AP Photo/Mark Baker)
            
              In this image taken from aerial video footage tennis star Novak Djokovic, left, stretches with staff on the tennis court during a training session Tuesday, Jan. 11, 2022, in Melbourne Australia. The top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Australian Broadcasting Corporation/Channel 9 via AP)
            
              In this image taken from aerial video footage tennis star Novak Djokovic uses a towel on the tennis court during a training session Tuesday, Jan. 11, 2022, in Melbourne Australia. The top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Australian Broadcasting Corporation/Channel 9 via AP)
            
              In this image taken from aerial video footage, tennis star Novak Djokovic practices on the tennis court during a training session Tuesday, Jan. 11, 2022, in Melbourne Australia. The top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Australian Broadcasting Corporation/Channel 9 via AP)
            
              In this image taken from aerial video footage, tennis star Novak Djokovic uses a towel on the tennis court during a training session Tuesday, Jan. 11, 2022, in Melbourne Australia. The top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Australian Broadcasting Corporation/Channel 9 via AP)
            
              A photographer takes a photo of defending champion Serbia's Novak Djokovic on an electronic screen ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (AP Photo/Mark Baker)
            
              Visitors stop to take a photo of a billboard featuring defending champion Serbia's Novak Djokovic ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (AP Photo/Mark Baker)
            
              Visitors stop to take a photo of a billboard featuring defending champion Serbia's Novak Djokovic ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (AP Photo/Mark Baker)
            
              A man walks past a billboard featuring defending champion, Serbia's Novak Djokovic ahead of the Australian Open at Melbourne Park in Melbourne, Australia, Tuesday, Jan. 11, 2022. The prime ministers of Australia and Serbia have discussed Novak Djokovic's precarious visa after the top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (AP Photo/Mark Baker)
            
              In this image taken from aerial video footage tennis star Novak Djokovic, left, stretches with staff on the tennis court during a training session Tuesday, Jan. 11, 2022, in Melbourne Australia. The top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Australian Broadcasting Corporation/Channel 9 via AP)
            
              In this image taken from aerial video footage tennis star Novak Djokovic uses a towel on the tennis court during a training session Tuesday, Jan. 11, 2022, in Melbourne Australia. The top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Australian Broadcasting Corporation/Channel 9 via AP)
            
              In this image taken from aerial video footage, tennis star Novak Djokovic practices on the tennis court during a training session Tuesday, Jan. 11, 2022, in Melbourne Australia. The top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Australian Broadcasting Corporation/Channel 9 via AP)
            
              In this image taken from aerial video footage, tennis star Novak Djokovic uses a towel on the tennis court during a training session Tuesday, Jan. 11, 2022, in Melbourne Australia. The top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Australian Broadcasting Corporation/Channel 9 via AP)
            
              In this image taken from aerial video footage, tennis star Novak Djokovic practices on the tennis court during a training session Tuesday, Jan. 11, 2022, in Melbourne Australia. The top-ranked Serbian tennis star won a court battle to compete in the Australian Open but still faces the threat of deportation because he is not vaccinated against COVID-19. (Australian Broadcasting Corporation/Channel 9 via AP)
            
              Fans cheer outside an immigration detention hotel where Serbian tennis star Novak Djokovic is confined in Melbourne, Australia, Monday, Jan. 10, 2022. An Australian judge who will decide whether top-ranked tennis star Novak Djokovic plays in the Australian Open has questioned what more the Serbian could have done to meet Australia's coronavirus entry requirements. (AP Photo/Mark Baker)
            
              Supporters of Serbian Novak Djokovic chant and sing outside the offices of lawyers following his court win ahead of the Australian Open in Melbourne, Australia, Monday, Jan. 10, 2022. An Australian judge has reinstated Djokovic's visa, which was canceled after his arrival last week because he is unvaccinated.(AP Photo/Mark Baker)
            
              Police clear fans of Serbian Novak Djokovic as a car leaves the offices of lawyers following his court win ahead of the Australian Open in Melbourne, Australia, Monday, Jan. 10, 2022. An Australian judge has reinstated Djokovic's visa, which was canceled after his arrival last week because he is unvaccinated.(AP Photo/Mark Baker)
            
              A billboard depicting Serbian tennis player Novak Djokovic on a building in Belgrade, Serbia, Monday, Jan. 10, 2022. Tennis star Novak Djokovic on Monday won a court battle to stay in Australia to contest the Australian Open despite being unvaccinated against COVID-19, but the government threatened to cancel his visa a second time. Federal Circuit Court Judge Anthony Kelly reinstated Djokovic's visa, which was canceled after his arrival last week because officials decided he didn't meet the criteria for an exemption to an entry requirement that all non-citizens be fully vaccinated. (AP Photo/Darko Vojinovic)
Australia and Serbia leaders discuss Novak Djokovic’s visa