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.

Naomi Osaka said that she was happy to get a bit of revenge on Karolina Muchova after beating the Czech Republic star in the second round of the Australian Open 2025. Osaka was beaten by Muchova during the US Open last year.

Naomi Osaka said she was enjoying a little bit of revenge against Karolina Muchova at the Australian Open on Wednesday, recalling how the Czech had ended her U.S. Open campaign last year when she was sporting her "best outfit ever".

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.

Down a set against Karolína Muchová and staring at a second-round exit, Naomi Osaka gave herself some sage advice as she fought keep her Australian Open tilt on track.

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

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.