Djokovic, who retired due to injury after the first set, was booed by the crowd as he walked off Rod Laver Arena.

Alexander Zverev chided the crowd after they booed Novak Djokovic for retiring due to injury after the first set in an ...

Novak Djokovic's bid for 11th Australian Open title ends after a muscle tear in his left leg. He says injury happened during ...

Zverev will face defending Australian Open champion and No. 1 seed Jannik Sinner, who beat American Ben Shelton 7-6 (2), 6-2, ...

Spectators booed an injured Novak Djokovic as he left the court in Rod Laver Arena after quitting one set into his Australian ...

Djokovic could not play on through the pain and quit the match after the first set as Zverev reached his first Australian ...

Novak Djokovic retired due to injury after losing the first set to Alexander Zverev 7-6 (5) in the semifinals of the ...

Jannik Sinner swept Ben Shelton in straight sets while Alexander Zverev advanced Friday through an injury-related retirement ...

Novak Djokovic is out of the Australian Open in stunning fashion. The 24-time slam champion medically retired immediately ...

Novak Djokovic retired injured after losing the first set 7-6(5) against Alexander Zverev on Friday to put the German through ...

Novak Djokovic has retired from his Australian Open semifinal against Alexander Zverev after losing the first set in a ...

Spectators booed as the 37-year-old Djokovic walked off toward the locker room, and he stopped, turned around and responded ...