It could be tempting to write off Novak Djokovic at this point, to think he might be closer than ever to being done competing for Grand Slam titles and closer than ever to retirement, where his greatest on-court rivals — Roger Federer,

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 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.

Spectators booed an injured Novak Djokovic as he left the court in Rod Laver Arena after quitting one set into his Australian Open semifinal against Alexander Zverev on Friday. Dealing with what he said was a torn muscle,

Novak Djokovic retired injured after losing the opening set of his clash with Alexander Zverev on Friday, sending the German to a first Australian Open final where he will take on defending champion Jannik Sinner for a maiden Grand Slam title.

Novak Djokovic is recovering from an injury that left him unable to claim his 11th Australian Open victory. On Friday afternoon, local time, the Serbian tennis player, 37, arrived for his semifinal against Alexander Zverev with his left leg heavily taped, having torn a muscle during Tuesday’s win over Carlos Alcaraz.