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 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".

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

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.

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.

At her peak, the four-time Grand Slam champion played her best tennis in the toughest moments. In Melbourne, she did it again.

Since returning to action a year ago, Osaka has shown signs of getting her game back together, including a memorable and narrow loss to then-No. 1 Iga Swiatek at the French Open.