On Friday, Djokovic battled World No. 2 Alexander Zverev for 81 minutes in their semifinal match. However, Djokovic immediately retired after losing a 5-6 tiebreak in the first set.

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

With the boos and whistles that greeted his premature departure from Rod Laver Arena doubtless still ringing in his ears, it ...

Minnows Uruguay stunned rugby sevens powerhouses Fiji and New Zealand in two astonishing back-to-back upsets on a remarkable ...

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An injured Novak Djokovic quit after dropping the first set of his Australian Open semifinal against Alexander Zverev on ...

Novak Djokovic is 37 and was forced to stop playing because of an injury at two of the past four Grand Slam tournaments.

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

Andy Murray admits that his experience as Novak Djokovic's coach has been a "steep learning curve", but the three-time grand ...

Parts of the crowd at Rod Laver Arena booed Novak Djokovic when he medically retired from his Australian Open semifinal clash ...