Djokovic is only interested in tennis' biggest prizes. He still has the game to win them, but at age 37 his body is letting him down

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

Novak Djokovic pledged to continue his hunt for a record 25th Grand Slam title as he processed the disappointment of retiring from Friday's Australian Open semi-final due to a muscle injury.

Novak Djokovic skipped practice at Melbourne Park for the second day in a row ahead of his Australian Open semi-final against Alexander Zverev on Friday. The Serbian admitted he was concerned about his physical condition after sustaining a left thigh injury during his quarter-final victory over Carlos Alcaraz.

Novak Djokovic retired from his Australian Open semi-final match against Alexander Zverev after losing the first set due to a muscle tear in his upper left leg. Djokovic, at 37, was aiming for his 25th major title but cited unbearable pain as the reason for his withdrawal.

Dubai: Novak Djokovic revealed that he had suffered an unspecified muscle tear that led to his retirement from the Australian Open after one set of his semi-final on Friday against Alexander Zverev. Novak Djokovic retires from Australian Open semi-finals “I didn’t hit a ball since [the] Alcaraz match,