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.

Defending champion Aryna Sabalenka had to battle hard to beat Denmark's Clara Tauson 7-6 (7/5), 6-4 on Friday and reach the second week of the Australian Open after suffering another bout of the serving jitters.

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.