The No. 4 seed struggled to a 5-7, 6-4, 6-1 third-round victory to keep her chances of winning a second consecutive Grand Slam title alive.
US Open champion Naomi Osaka survives third-round scare at Australian Open
The No. 4 seed struggled to a 5-7, 6-4, 6-1 third-round victory to keep her chances of winning a second consecutive Grand Slam title alive.
