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,

Djokovic, who retired due to injury after the first set, was booed by the crowd as he walked off Rod Laver Arena.

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.

Injured Djokovic decides not to continue after losing first set as Zverev reaches his first Australian Open final

On Sunday, Alexander Zverev will chase his first Major title against Jannik Sinner in the Australian Open final. The German is through to his third Major final, hoping to lift his first notable trophy. Novak Djokovic backed Zverev to defeat Sinner and join tennis immortals!

Jannik Sinner of Italy holds the Norman Brookes Challenge Cup aloft after defeating Alexander Zverev of Germany in the men’s singles final at the Australian Open tennis championship in Melbourne, Australia,

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

Rafael Nadal's uncle and former coach, Toni Nadal, has questioned the legitimacy of Novak Djokovic's thigh injury that forced him to retire during his Australian Open semi-final against Alexander Zverev.

Novak Djokovic simply cannot shake the conspiracy allegations that surrounded him at the Australian Open. The 10-time Australian Open champion went to extreme lengths this week to share photographs of a hamstring strain on his Instagram account after his unexpected withdrawal from the tournament raised concerns.

Novak Djokovic’s remarkable story at the Australian Open may have had the most unfortunate conclusion as he limped out of the tournament in his semi-final against Alexander Zverev last week – but his legacy looks set to be secured for eternity.