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

Osaka has won only one title while collaborating with Mouratoglou – more precisely the Saint-Malo WTA 125 – really too little ...

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

The news comes after Naomi Osaka lost her second match at the D.C. Open and just before she begins competing in Toronto.

The four-time major champion announced that she had parted ways with coach Patrick Mouratoglou following middling results.

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

Four-time Grand Slam champion Naomi Osaka has officially ended her coaching partnership with Patrick Mouratoglou.

So far, the early results are promising for the budding partnership between Osaka and Wiktorowski. Osaka defeated Ariana ...

Naomi Osaka didn't wait too long to add a new name to her coaching staff as the current world No. 49 is set to be assisted by ...

Despite the split, Osaka’s message suggests that the decision was amicable and that she holds Mouratoglou in high regard.

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

Naomi Osaka has parted ways with Patrick Mouratoglou after a 10-month partnership that didn’t yield the results either hoped ...