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 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,

Tomas Machac (No. 25 in the world) takes on Novak Djokovic (No. 7) in the Round of 32 at the Australian Open.Djokovic defeated Jaime Faria 6-1, 6-7, 6-3, 6-2 on Tuesday in the Round