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

Alex de Minaur, the world No. 8, and Nick Kyrgios, who is back after a two-year battle with knee and wrist injuries, are the headliners for their country at Melbourne Park. Kyrgios emceed the night session on John Cain Arena Monday, before De Minaur headlines Rod Laver Arena, the pantheon of Australian tennis Tuesday night.

Australia’s Nick Kyrgios has hinted that he might retire from playing singles tennis. The 29-year-old, who was once regarded as the best player in the country in the singles category, has recently returned to the court after spending nearly two years on the sidelines because of a serious wrist injury.

Nick Kyrgios has thrown some uncertainty over his tennis career path after suffering a ‘heartbreaking' first-round loss in the 2025 Australian Open. The Australian star, renowned for his passionate disposition and natural ability,

If this was the last Australian Open singles match of Nick Kyrgios’ career — and, to be sure, it’s hard to know with him, no matter what came out at his news conference — the big-hitting, big-talking tennis player went out rather quietly Monday night.