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.

Gauff, who hasn’t lost a set in Melbourne, could face the No. 1 player in the semifinals after their 3rd-round wins; Osaka leaves with injury and Pegula falls

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.