Naomi Osaka, ranked just No. 51 in the world after a disappointing 2024 season, shook off a slow start en route to a second-round upset win in the Australian Open on Wednesday.

The 1-6, 6-1, 6-3 victory over Karolina Muchova allowed Osaka to reach the third round at a major tournament for the first time since the 2022 season.

Naomi Osaka beat Karolina Muchova 1-6, 6-1, 6-3 at the Australian Open, reaching the third round at a Grand Slam for the first time since her return from maternity leave.