Naomi Osaka ended her coaching relationship with Patrick Mouratoglou after less than a year. Osaka expressed gratitude on social media for the collaboration. The split comes after her early defeat at ...

WASHINGTON -- Naomi Osaka and coach Patrick Mouratoglou are done working together after less than a year, the four-time Grand Slam champion announced Sunday on social media.

Osaka, a four-time Grand Slam champion, has been in a career rut for years. Mouratoglou joined her staff in September of 2024 ...