Djokovic beats Ruud at ATP Finals for 6th straight win


              Serbia's Novak Djokovic returns the ball to Norways' Casper Ruud during their ATP World Tour Finals singles tennis match, at the Pala Alpitour in Turin, Monday, Nov. 15, 2021. (AP Photo/Luca Bruno)
            
              Serbia's Novak Djokovic celebrates after defeating Norways' Casper Ruud during their ATP World Tour Finals singles tennis match, at the Pala Alpitour in Turin, Monday, Nov. 15, 2021. (AP Photo/Luca Bruno)
            
              Serbia's Novak Djokovic kisses the trophy as ATP world best player, at the Tennis ATP World Tour Finals, at the Pala Alpitour in Turin, Monday, Nov. 15, 2021. (AP Photo/Luca Bruno)
            
              Serbia's Novak Djokovic returns the ball to Norways' Casper Ruud during their ATP World Tour Finals singles tennis match, at the Pala Alpitour in Turin, Monday, Nov. 15, 2021. (AP Photo/Luca Bruno)
            
              Serbia's Novak Djokovic celebrates after defeating Norways' Casper Ruud during their ATP World Tour Finals singles tennis match, at the Pala Alpitour in Turin, Monday, Nov. 15, 2021. (AP Photo/Luca Bruno)
            
              Serbia's Novak Djokovic kisses the trophy as ATP world best player, at the Tennis ATP World Tour Finals, at the Pala Alpitour in Turin, Monday, Nov. 15, 2021. (AP Photo/Luca Bruno)
            
              Serbia's Novak Djokovic changes his shirt during a break as he plays Norways' Casper Ruud in their ATP World Tour Finals singles tennis match, at the Pala Alpitour in Turin, Monday, Nov. 15, 2021. (AP Photo/Luca Bruno)
            
              Norways' Casper Ruud returns the ball to Serbia's Novak Djokovic during their ATP World Tour Finals singles tennis match, at the Pala Alpitour in Turin, Monday, Nov. 15, 2021. (AP Photo/Luca Bruno)
            
              Serbia's Novak Djokovic returns the ball to Norways' Casper Ruud during their ATP World Tour Finals singles tennis match, at the Pala Alpitour in Turin, Monday, Nov. 15, 2021. (AP Photo/Luca Bruno)
Djokovic beats Ruud at ATP Finals for 6th straight win