Mackenzie McDonald, who beat Nadal, eyes more in Australia


              Mackenzie McDonald of the U.S., reacts after defeating Rafael Nadal of Spain in their second round match at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 18, 2023. (AP Photo/Dita Alangkara)
            
              Rafael Nadal, left, of Spain congratulates Mackenzie McDonald of the U.S., following their second round match at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 18, 2023. (AP Photo/Dita Alangkara)
            
              Rafael Nadal, right, of Spain congratulates Mackenzie McDonald of the U.S., following their second round match at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 18, 2023. (AP Photo/Asanka Brendon Ratnayake)
Mackenzie McDonald, who beat Nadal, eyes more in Australia