• Updated

Alexander Zverev, right, of Germany embraces Novak Djokovic of Serbia after Djokovic retired from their semifinal match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 24, 2025. (AP Photo/Ng Han Guan)

  • Updated

Alexander Zverev, right, of Germany embraces Novak Djokovic of Serbia after Djokovic retired in their semifinal match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 24, 2025. (AP Photo/Asanka Brendon Ratnayake)

  • Updated

Alexander Zverev of Germany reacts after Novak Djokovic of Serbia retired from their semifinal match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 24, 2025. (AP Photo/Ng Han Guan)

AP
  • Updated

Alexander Zverev of Germany shakes hands with Novak Djokovic of Serbia after Djokovic retired from their semifinal match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 24, 2025. (AP Photo/Ng Han Guan)

AP
  • Updated

Alexander Zverev of Germany reacts as he is interviewed by Jim Courier after Novak Djokovic of Serbia retired from their semifinal match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 24, 2025.(AP Photo/Asanka Brendon Ratnayake)

AP

Alexander Zverev of Germany reacts as he is interviewed by Jim Courier after Novak Djokovic of Serbia retired from their semifinal match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 24, 2025. (AP Photo/Asanka Brendon Ratnayake)

AP

Alexander Zverev of Germany gestures after Novak Djokovic of Serbia retired from their semifinal match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 24, 2025. (AP Photo/Ng Han Guan)

AP

Alexander Zverev, right, of Germany shakes hands with Novak Djokovic of Serbia after Djokovic retired from their semifinal match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 24, 2025. (AP Photo/Ng Han Guan)

AP
  • Updated

Alexander Zverev, right, of Germany embraces Novak Djokovic of Serbia after Djokovic retired from their semifinal match at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 24, 2025. (AP Photo/Ng Han Guan)

AP
  • Updated

Novak Djokovic of Serbia shakes hands with chair umpire James Keothavong after retiring from his semifinal match against Alexander Zverev of Germany at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 24, 2025. (AP Photo/Ng Han Guan)