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,

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).

Facing Sinner reminded Alexander Zverev of trying to solve the challenge presented by the 24-time major champion Djokovic.

Novak Djokovic‘s mid-match retirement from the semifinal against Alexander Zverev at the Australian Open sparked controversy. He was booed by the crowd at Rod Laver Arena when he was leaving the court,

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

Novak Djokovic remains one of the best tennis competitors today. At the age of 37, we have yet to see a decline in the Serbian star’s level of performance.

Jannik Sinner has etched his name in tennis history with a stunning Australian Open victory, defeating Alexander Zverev 6-3, 7-6(4), 6-3 in the final. The Italian world number one secured his third Grand Slam title,

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.

Dominant Jannik Sinner wins Australian Open again as Alexander Zverev ‘not good enough’ - live - Sinner won his second Australian Open with a 6-3 7-6 (4) 6-3 victory to deny Zverev his grand slam titl

Andy Murray has admitted he was 'surprised' when Novak Djokovic came over and gave him a hug during the Serb's Australian Open victory over Carlos Alcaraz last week. Djokovic beat the Spaniard in four sets,