By Shrivathsa Sridhar MELBOURNE (Reuters) -Defending champion Aryna Sabalenka overcame a wobbly display to reach the Australian Open fourth round while Novak Djokovic and Carlos Alcaraz were at their dazzling best on a warm but windy Friday at Melbourne Park.

Two-time defending Australian Open champion Aryna Sabalenka extended a few impressive streaks on Friday while becoming one of the first players to advance to the fourth round of the year's opening Grand Slam tournament.

Highlights of the sixth day of the Australian Open on Friday (all times GMT): 1038 DJOKOVIC EASES PAST MACHAC Seventh seed Novak Djokovic stayed on course for a record 11th Australian Open title with a 6-1 6-4 6-4 win over Czech 26th seed Tomas Machac in the third round.

Novak Djokovic vs Tomas Machac - over 4.5 sets - 29/10 Unibet Donna Vekic to win 2-1 4/1 BetMGM Jack Draper to win 3-1 13/5 BetVictor Treble pays 64/1 with Unibet As day six of the Australian Open gets underway we’ve got two Brits in action in the men’s draw,

The summer of tennis is here in Australia with a festival of action around the nation leading up to the Australian Open. With matches on nearly every day for a month, punters have a smorgasbord of tennis to bet on and a wide variety of markets.