An injured Novak Djokovic quit because of a torn muscle in his left leg after dropping the first set of his Australian Open semifinal against Alexander Zverev on Friday. Djokovic lost the opener 7-6 (5) in a tiebreaker and immediately walked around the net to concede the match to Zverev.

Novak Djokovic overcame injury and losing the opening set in a brilliant victory over Carlos Alcaraz, in the quarterfinals of the 2025 Australian Open. Djokovic, who is chasing a record-extending 11th Australian Open title, fought back to win 4-6, 6-4, 6-3, 6-4 against his 21-year-old opponent.

In a matchup more appropriate for a final, 10-time Australian Open champion Novak Djokovic prevails in four sets over reigning Wimbledon champ.