Naomi Osaka, a two-time champion in Australia, stopped playing because of a strained abdominal muscle after dropping the first set of her match against Tokyo Olympics gold medalist Belinda Bencic.

Aryna Sabalenka, Coco Gauff, Novak Djokovic and Carlos Alcaraz will all be on show during day eight of the Australian Open. Follow live.

Novak Djokovic, Coco Gauff roll to Australian Open's 4th round. Naomi Osaka retires due to injury and Jessica Pegula was upset in the third round.

While there have been plenty of surprises in the men’s bracket so far, most of the top women have progressed through the draw without an issue.

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.

It wasn’t often pretty, but two-time defending Australian Open champion Aryna Sabalenka has extended a few impressive streaks while becoming one of the first players to advance to the fourth round of

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.