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

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 ...

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