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

A four-time Grand Slam champion, Osaka was playing her first tournament since parting ways with Patrick Mouratoglou, the former coach of Serena Williams whom she hired last fall. The 27-year-old is ...

Naomi Osaka and Liudmila Samsonova have played five times in the past 16 months, and Osaka took a 3-2 lead in their rivalry after saving two match points en route to victory in the Omnium Banque ...

Could Naomi Osaka have secured a turning-point victory for the rest of her season? The Japanese former world No. 1 faced ...

"This has been a relationship of less than a year. Osaka has won a fair amount of matches, but not at the biggest and best ...

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

Wiktorowski joined the entourage of Iga Swiatek as the Pole’s new head coach and helped guide her to some of the greatest ...

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 Iga Swiatek's former long-time coach Tomasz Wiktorowski, via WTA Insider ...

Mouratoglou, who worked with Serena Williams and recently split with Naomi Osaka, claimed Ivanisevic was "ashamed" of being ...

"I better not say what I think about him... If I go to Toronto or Cincinnati, I'm most excited to see Mouratoglou." ...

The US Open has announced 14 of the 16 teams that will compete at this year’s revamped mixed doubles event, and there are some high-profile absentees. In an unprecedented change, this year’s US Open ...