Two-time Australian Open champion Naomi Osaka has stopped playing because of an injury after dropping the opening set of her third-round match against Belinda Bencic.

The Australian Open third round begins on Friday with defending champion Aryna Sabalenka kicking things off on Rod Laver Arena while Novak Djokovic resumes his quest for an 11th title.

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.

Novak Djokovic progresses to the Australian Open quarter-finals while also making headlines for snubbing the official broadcaster, Channel Nine, over derogatory remarks. Aryna Sabalenka and Coco Gauff extend their winning streaks,

By Nick Mulvenney MELBOURNE (Reuters) -Aryna Sabalenka brushed aside teenager Mirra Andreeva and Coco Gauff rallied past Belinda Bencic to reach the quarter-finals of the Australian Open and extend winning streaks as Melbourne Park stifled in the summer heat on Sunday.

Coco Gauff stayed on course Sunday for a heavyweight Australian Open semi-final clash against Aryna Sabalenka, despite dropping a set for the first time this season. Gauff had not dropped a set in eight matches this season,