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.

Nick Kyrgios said his straight sets defeat to Jacob Fearnley in the first round of the Australian Open on Monday may have been his last singles match at the Grand Slam given his growing frustrations with injury.

Qualifier Joao Fonseca stunned ninth seed Andey Rublev on his grand slam debut at the Australian Open to extend his winning streak to 14 matches. The 18-year-old Brazilian, who is quickly becoming a superstar in his home country,

Joao Fonseca, the Brazilian teenage sensation, made a massive statement in his Australian Open debut, securing one of the biggest upsets of the tournament so far by defeating No. 9 seed Andrey Rublev.

Tunisian star Ons Jabeur made an encouraging start at the Australian Open as she defeated Anhelina Kalinina of Ukraine in a little over an hour. The former world No 2 secured a straightforward 6-3, 6-3 win in the first-round clash to set up a match against Camila Osorio in the next round.

Daniil Medvedev has used his racket to smash a tiny camera attached to the net at the Australian Open while he was trailing in his first-round match in the main stadium

Facing what could've been a massive upset, top-ranked tennis pro Daniil Medvedev destroyed a camera and his tennis racket during his first-round match at the Australian Open on Tuesday.