Novak Djokovic and Danielle Collins have both been involved in some controversial moments during the Australian Open.

Novak Djokovic has backed Danielle Collins for her cheeky response to hostile fans at the Australian Open and said the sport could afford to take itself a little less seriously.

Novak Djokovic called Danielle Collins' feisty reaction to Australian Open hecklers "funny" and "smart" after himself getting riled up during his third-round win on Friday.

Novak Djokovic said he “loved” Danielle Collins’ reaction to a hostile home crowd at the Australian Open, adding that he was now a “big fan” of the American. After beating home favourite Destanee Aiava on a raucous Kia Arena,

Novak Djokovic declared himself a big fan of Danielle Collins’ approach to rowdy Australian Open fans after confronting his own heckler at Melbourne Park.

Novak Djokovic has had his say after Danielle Collins caused controversy with her antics at the Australian Open. The American star riled up the fans after beating Destanee Aiava on Thursday, gesturing to kiss her bottom and reminding them that she was taking a “big fat pay cheque”.

Novak Djokovic has thrown his support behind Danielle Collins and her reaction to the hostile Australian Open crowd after having his own running battle with fans on Friday night. The 24-time major winner booked his spot in the fourth round at Melbourne Park after a comfortable 6-1 6-4 6-4 win over Tomas Machac on Rod Laver Arena that he described as his best display of the tournament so far.

Afterwards he said it was in protest at Tony Jones, a top sports presenter with host broadcaster Channel 9, who he accused of "insulting and offensive comments" towards him and Serbian fans. Djokovic said he would boycott interviews with the TV station until he got an apology.

Jannik Sinner and Holger Rune overcame muggy conditions to produce the most memorable point of the Grand Slam event.

World No. 2 and five-time Grand Slam champion Iga Swiatek opened up about her recent one-month doping ban for a positive drug test, describing it as the most challenging period of her tennis career. Speaking on the eve of the Australian Open, Swiatek shared that the ordeal was “pretty chaotic” and labeled it the “worst time” of her life.

A leading TV presenter apologised on air Monday to Novak Djokovic after mocking the 24-time Grand Slam winner and Serbian fans at the Australian Open, with Elon Musk and prime minister Anthony Albanese among those wading into the row.