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.

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.

After surgery and close to 16 months of around-the-clock rehabilitation, things began looking up for Nick Kyrgios. And yet here he is, dealing with pain once more.

Nick Kyrgios has dropped a bomb surrounding his future at the Australian Open and it is not what fans want to hear. Nick Kyrgios says he can’t see himself playing men’s singles again at the Australian Open. The 29-year-old was knocked out in the first round of the tournament on Monday by Brit Jacob Fearnley (7-6, 6-3, 7-6).

Nick Kyrgios is knocked out of the Australian Open by British No.3 Jacob Fearnley, with an abdominal injury hampering his performance and prompting lots of swearing

Nick Kyrgios hints that he won't return to play singles at the Australian Open, yet insists he has "no regrets" after his first-round defeat.

A downbeat Nick Kyrgios said that his short-lived return to Melbourne Park on Monday might have been his last singles appearance at the Australian Open. The combustible home hero was grimacing from an abdominal injury and fired expletives at his coaching box as he was bundled out by Britain’s Jacob Fearnley 7-6 (7/3),

Down here, it’s all about their own tennis yin and yang. One is a top 10-player who will do whatever he can to avoid controversy, while dedicating every ounce of his energy to the sport. The other is an unranked unicorn,

Nick Kyrgios indicated he thinks he will be able to compete at the Australian Open despite a recent issue with an abdominal muscle.

Nick Kyrgios says he is good for tennis and the sport will get a boost from his return to Grand Slam action at the Australian Open

There have still been plenty of words written about Kyrgios while he was away from the tour, especially regarding his outspoken criticism of world number one Jannik Sinner over two failed doping tests.