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.

Swiss Belinda Bencic advanced to the last 16 of the Australian Open after two-time champion Naomi Osaka retired during Friday's third-round match with an abdominal strain that has affected her since the start of the season.

Naomi Osaka's run to a third Australian Open title was cut short on Friday, as a lingering injury caused her to retire from her third-round match against Belinda Bencic. Osaka, whose last Grand Slam win came in Melbourne in 2021,