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.

Read what Novak Djokovic had to say about Danielle Collins' controversial action and remarks after her Australian Open victory.

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 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 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 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.

Danielle Collins received a shoutout from Novak Djokovic, who revealed he’s a big fan of hers following her recent crowd controversy at the Australian Open. Both are participating in the tournament.

Tennis superstar Novak Djokovic has declared he is a 'big fan' of Australian Open villain Danielle Collins as unruly crowd behaviour threatens to escalate at Melbourne Park. Djokovic, 37 ...

Channel 9 host Tony Jones has angered Novak Djokovic’s supporters by going rogue and sledging the Serbian superstar on a live broadcast.

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,