Naomi Osaka, in her first tournament since announcing she would no longer work with coach Patrick Mouratoglou, eliminated ...

Naomi Osaka is reshuffling her coaching team, parting ways with Patrick Mouratoglou and eyeing a fresh start with coach ...

Japan's Naomi Osaka, a four-time Grand Slam singles champion, will work with Polish coach Tomasz Wiktorowski on a trial basis after splitting with Patrick Mouratoglou after less than a year together.

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