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

Injured Djokovic decides not to continue after losing first set as Zverev reaches his first Australian Open final ...

Zverev, who is seeking his first Grand Slam title, admonished the crowd a bit for the reaction during his on-court ...

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

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

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 ...

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

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

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

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