Novak Djokovic sought assistance from a trainer for some trouble breathing Friday night, and went back-and-forth with one particularly loud spectator, but when the ball was in play at the Australian Open against Tomas Machac,

Count Novak Djokovic as being in Danielle Collins’ corner. He thinks her response to booing fans at the Australian Open was absolutely fine — which should come as no surprise, given the way Djokovic gets into back-and-forths with hecklers at his matches,

Novak Djokovic called out a drunk Australian Open heckler following his 6-1 6-4 6-4 win over Tomas Machac in the third round on Friday. Djokovic cruised past the 26th-seed Czech star in straight sets to set up a fourth-round showdown with 24th-seed Jiri Lehecka at Melbourne Park.

Novak Djokovic stepped up a level in his Australian Open third round match against Tomas Machac, brushing the Czech aside 6-1, 6-4, 6-4 with a vintage performance to reach the second week at Melbourne Park for the 17th time.

Novak Djokovic has revealed he's 'very hot-headed' in the wake of his victory over Tomas Machac at the Australian Open on Friday morning. The Serb won 6-1, 6-4, 6-4 to book his place in the fourth round of the competition as he continues to chase Grand Slam No 25.