Osaka, Australian Open

Novak Djokovic, Coco Gauff roll to Australian Open's 4th round. Naomi Osaka retires due to injury and Jessica Pegula was ...
Two-time Australian Open champion Naomi Osaka stopped playing because of a strained abdominal muscle after dropping the opening set of her third-round match against Belinda Bencic on Friday.
Highlights of the sixth day of the Australian Open on Friday (all times GMT): Play began on schedule on the sixth day of the ...