A four-time Grand Slam champion, Osaka returned from maternity leave last year and lost in the first or second round of all four major tournaments. The 27-year-old Japan native has not won any event on the WTA Tour since capturing her second Australian Open title to start 2021.

In the Australian Open Round of 64 on Tuesday, we have a matchup featuring No. 51-ranked Naomi Osaka versus No. 20 Karolina Muchova.Muchova’s last competition was a win, 6-1, 6-3, over

Naomi Osaka defeated No. 20 Karolina Muchova 1-6, 6-1, 6-3 on Wednesday to reach the third round of a major for the first time since the 2022 Australian Open.

Coco Gauff swept Jodie Burrage, while Naomi Osaka upset Karolina Muchova to advance to the third round Wednesday at the 2025 Australian Open. Both players need just one more win to set up a fourth-round meeting.

Naomi Osaka came from one set down to defeat Karolina Muchova in the second round of the 2025 Australian Open.

Four-time Grand Slam champion Naomi Osaka made an incredible comeback against Karolina Muchova to advance to the third round of the Australian Open with a 1-6, 6-1, 6-3 win.

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.

Former Australian Open champion Naomi Osaka fought back from a set down Wednesday to reach the third round of a Grand Slam for the first time since the birth of her daughter in 2023, gaining a "little revenge" for defeat at the US Open.

After dropping the opening set, Naomi Osaka wins the next two to beat No. 20 Karolina Muchova and advance to the third round of the Australian Open.

Watch the match highlights between Naomi Osaka & Karolina Muchova in Round 2 of the 2025 Australian Open Women's Singles Tournament Tennis.