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.

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.

The 29-year-old’s Australian Open return was short-lived — and he warned it could be his last singles match in his homeland.

Nick Kyrgios hinted at retirement while talking to reporters after his first round loss in a return to the tennis court at the Australian Open on Monday, January 13.

Nick Kyrgios faces another injury setback in his planned return to Grand Slam tennis at the Australian Open after an abdominal strain forced him to withdraw from an exhibition with Novak Djokovic this week.