Novak Djokovic has retired from his Australian Open semifinal against Alexander Zverev after losing the first set in a tiebreak. Djokovic missed a regulation putaway volley on top of the net down 5-6,

Novak Djokovic’s quest for a record 25th grand slam title has been cut short at the Australian Open after he stunningly retired from his semifinal match due to a left leg injury.

Jannik Sinner’s triumph at the 2025 Australian Open saw him become the 11th player in the Open Era to defend the Australian Open men’s singles title. Here, we look at the 11 men who have won consecutive Australian Open titles since the first Open edition was held in 1969.