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

It's hard to watch the way Jannik Sinner plays tennis and not think of Novak Djokovic. Of all the praise bestowed on Sinner ...

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

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

Novak Djokovic shared a heartfelt message to Alexander Zverev after the second seed lost in straight sets against Jannik ...

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

Djokovic is out of the Australian Open after retiring from his semi-final, with Zverev through to face Sinner on Sunday ...

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

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

Jannik Sinner delivered a dominant performance, beating Alexander Zverev in three sets for his second Australian Open title ...

Follow reaction as Sinner retained the championship with a brilliant showing against three-time major final loser Zverev on ...

The semifinals are scheduled to start at 10:30 p.m. EST and will be broadcast on ESPN and ESPN Deportes. Fans looking to ...