Novak Djokovic and Carlos Alcaraz will square off again in a Grand Slam after both stars won their fourth-round matches Sunday at the Australian Open.

Novak Djokovic declined to do a customary post-match TV interview at the Australian Open after his win Sunday night to protest comments made on air by someone who works for the official broadcaster of the tournament in the host country,

Novak Djokovic spoke with Craig Tiley just minutes after being booed off court following his Australian Open win over Jiri Lehecka.

Novak Djokovic has overcome some trouble breathing and played quite well for a straight-set victory over 26th-seeded Tomas Machac to reach the fourth round at the Australian Open.

Novak Djokovic was in no mood to stick around to complete his on-court interview with Jim Courier after booking his spot in the Australian Open quarter-finals

Count Novak Djokovic as being in Danielle Collins’ corner. He thinks her response to booing fans at the Australian Open was absolutely fine.

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. Collins blew kisses at the booing crowd and thanked them for paying for her next five-star vacation after beating local Destanee Aiava in the second round on Thursday.

Controversial American tennis player Danielle Collins told fans at the Australian Open they should not “take life way too seriously” as she criticised the average age of those who followed the sport.

Australian Open's villain du jour, Danielle Collins, has opened up on her running battle with the crowds following her tournament exit.

Danielle Collins was the talk of the tennis world last week after her controversial celebration following her second-round win at the Australian Open

After being booed off the Australian Open court, Danielle Collins continued her controversial decisions in her post-match interviews.