Nick Kyrgios’ return to the Australian Open is over after he and Thanasi Kokkinakis stopped playing while trailing in the second set of their first-round doubles.

Australian doubles pair James Duckworth and Aleksandar Vukic have eased into the second round of the men's doubles after opponents Nick Kyrgios and Thanasi Kokkinakis retired during the second set of their match on John Cain Arena.

Nick Kyrgios dropped a bomb at the Australian Open this week, revealing he can’t see himself playing men’s singles at Melbourne Park again.

Thanasi Kokkinakis says a doctor advised him not to play before he and Nick Kyrgios retired injured in the men doubles first round at the Australian Open.

Nick Kyrgios raged at an Australian Open umpire after his doubles partner Thanasi Kokkinakis was given a code violation for hitting the ball out of play. Kokkinakis was pulled up in the first set against Aleksandar Vukic and James Duckworth for launching the ball into the stands in frustration, before he and Kyrgios later retired.

World No 1 Jannik Sinner makes it 16 wins in a row, while Nick Kyrgios and Thanasi Kokkinakis pull out of their doubles match in second set through injury to the latter; watch action from ATP and WTA

Nick Kyrgios is facing an anxious wait to discover if he will be able to play in what could be his final Australian Open match.

Nick Kyrgios' Australian Open farewell could be at risk after his doubles partner, Thanasi Kokkinakis, raised concerns about his fitness to compete in their opening match in Melbourne.