Novak Djokovic retired injured after losing a gruelling first set of his Australian Open semifinal to Alexander Zverev, ...

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

It's the second time in the past four Grand Slams that Novak Djokovic needed to abandon his spot in the latter stages of the ...

Novak Djokovic responds to boos as Jannik Sinner to face Alexander Zverev in Australian Open final - live - Djokovic is out ...