John McEnroe has become the latest tennis figure to speak out on Danielle Collins ’ controversial Australian Open behaviour. The world No. 11 was heavily booed by the crowd after her second-round match when she gestured to kiss her bottom and reminded those who “hated” her that they were “paying her bills”.

Danielle Collins was involved in a heated exchange with fans during her Australian Open second-round win over Destanee Aiava, with the American telling them to "shut up".

The 19-year-old American upset fifth-seeded Daniil Medvedev in a five-set Australian Open marathon that lasted nearly five hours.

American tennis pro Danielle Collins didn't let the heckling crowd at the Australian Open get the best of her during her second-round victory on Tuesday.

Learner Tien pulled off a massive upset against Daniil Medvedev at the Australian Open. So, who is Tien, the 19-year-old out of California?

The sassy Collins, who calls herself The Danimal, told fans to “shut up” and then cupped her hands to her ears, blew kisses and slapped her backside after beating qualifier Destanee Aiava.

Novak Djokovic declared himself a big fan of Danielle Collins ’ approach to rowdy Australian Open fans after confronting his own heckler at Melbourne Park. At such a critical moment in US history, we need reporters on the ground. Your donation allows us to keep sending journalists to speak to both sides of the story.

US qualifier Learner Tien stunned No.5 seed Daniil Medvedev beating him in five sets while Danielle Collins made an enemy of the crowd and the Special Ks, who retired hurt.

Raducanu set up a clash with Iga Swiatek but battled through more injury worries in her win over Amanda Anisimova

Ash Barty hates Danielle Collins. While Barty is too nice to say it as frankly as that, don’t worry she has no time for the American who she beat in that historic Open final at Melbourne Park three years ago.

Aussie tennis hero Casey Dellacqua has declared Danielle Collins and her antics "good for tennis" after she picked a fight with the crowd at the Australian Open on Thursday night. Collins went into full "villain" mode as she told fans to "shut up" in the middle of the match before lapping up her victory over Aussie player Destanee Aiava.

Daniil Medvedev is facing more fines from the Australian Open after failing to attend his post-match press conference after the defeat to American teenager Learner Tien. The fifth seed was upset 6 ...