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.

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

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.

The apologetic Aussie was plainly ‘shattered’ to tell his great mate Nick Kyrgios it was all over. Thanasi Kokkinakis’ dream of repeating his stunning Australian Open doubles success with Nick Kyrgios has been dashed by his debilitating pectoral muscle injury.

World No 1 Jannik Sinner makes it 16 wins in a row; No 5 seed Daniil Medvedev dumped out of Australian Open by 19-year-old American Learner Tien in five-set epic; Nick Kyrgios and Thanasi Kokkinakis p

Thanasi Kokkinakis says he feels like he’s “letting people down”, with the doubles reunion of his 2022 Australian Open winning partner Nick Kyrgios “unlikely” after he suffered a recurrence of a pectoral injury in his second round loss at Melbourne Park.

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.