Osaka's time with Mouratologou followed an up-and-down sequence of promising signs and frustrations with either injury or ...

Naomi Osaka avoided major drama today as the four-time Grand Slam champion ousted 2017 French Open winner Jelena Ostapenko ...

Four-time Grand Slam champion Naomi Osaka advanced to the fourth round of the WTA Canadian Open on Friday by dominating ...

Highlights from Naomi Osaka's dominant win over Jelena Ostapenko on Friday to advance to the Round of 16 in Montreal.

Naomi Osaka secured a 6-2, 6-4 victory over Jelena Ostapenko in a battle of Grand Slam champions in the third round of the ...

It was Osaka’s first match with Tomasz Wiktorowski in her box. The Japanese star parted ways with Patrick Mouratoglou over ...

Four-time Grand Slam champion Naomi Osaka has split with coach Patrick Mouratoglou after just shy of a year together. Osaka confirmed the split on social media ahead of the WTA 1,000 Canadian Open in ...

Naomi Osaka has announced that she is splitting up with her coach, Patrick Mouratoglou. The 4-time Grand Slam champion ...

Naomi Osaka surprised a day ago by announcing the end of her coaching partnership with Patrick Mouratoglou after 10 months of ...

Naomi Osaka, the four-time Grand Slam champion, has ended her partnership with coach Patrick Mouratoglou after less than a year. She's now trialing wi ...

Naomi Osaka has parted company with coach Patrick Mouratoglou less than a year after the pair began working together, the ...

Japan's Naomi Osaka, a four-time Grand Slam singles champion, will work with Polish coach Tomasz Wiktorowski on a trial basis ...