João Fonseca has definitively introduced himself to the world as the latest teen sensation in men’s tennis by upsetting No. 9 seed Andrey Rublev 7-6 (1), 6-3, 7-6 (5) in the first round of the Australian Open.

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 definitively introduced himself to the world as the latest teen sensation in men’s tennis on Tuesday night, upsetting No. 9 seed Andrey Rublev 7-6 (1), 6-3, 7-6 (5) in the first round of the Australian Open.

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.

Daniil Medvedev used his racket to smash a camera attached to the net during a tricky opening round win at this year’s Australian Open.

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.

The Australian Open has seen a possible new Scottish tennis star emerge. Edinburgh-born tennis player Jacob Fearnley has been one of the of the breakout stars of the Australian Open so far. The British number three defeated local favourite Nick Kyrios in the first round in straight sets 7-6 (7-3) 6-3 7-6 (7-2).