Novak Djokovic is out of the Australian Open in stunning fashion. The 24-time slam champion medically retired immediately after dropping the first set of his semifinal match against No. 2 Alexander Zverev in a tiebreak 7-6 (5).

Djokovic is out of the Australian Open after retiring from his semi-final, with Zverev through to face Sinner on Sunday

Novak Djokovic retired due to injury after losing the first set to Alexander Zverev 7-6 (5) in the semifinals of the Australian Open on Friday. Zverev

But, regardless of how you feel about him or what you think about him bowing out, nobody — not even Novak Djokovic — deserves to be booed for being injured. You don't have to like him. You can absolutely root against him. You can boo him when he's healthy.

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

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.

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,

An ailing leg leads to an abrupt finish for the 24-time major winner, who’s a 10-time winner in Melbourne.

The Australian Open is approaching its conclusion. Jannik Sinner is favourite to retain his title in the men’s draw but faces immense competition in the form of second seed Alexander Zverev.

The tennis world was set alight when it was announced that Andy Murray and Novak Djokovic would be teaming up at the beginning of the year. Long-time rivals turned allies, and many wondered how their partnership would play out.

An injured Novak Djokovic has quit after dropping the first set of his Australian Open semifinal against Alexander Zverev.