Novak Djokovic dramatically retired from his Australian Open semi-final against Alexander Zverev after being unable to play through a torn muscle in his upper left leg before admitting there is a “chance” may have played at the tournament for the final time.

Ten-time Australian Open champion Novak Djokovic says it is possible he may not return to play at Melbourne Park after injury forces him out of his semifinal. Follow live.

Alex de Minaur issued a brutal putdown to a Novak Djokovic superfan on social media following his one-sided loss to Jannik Sinner in the quarter-finals of the Australian Open.