Just over a week ago, before the start of the Canadian Open, it was announced Naomi Osaka split with tennis coach Patrick ...

Now, in her first tournament since splitting with Mouratoglou and adding Tomasz Wiktorowski to her team, the Japanese has ...

It’s been four years since the Japanese star Naomi Osaka last won a tour event. For much of the last year, she’s been working ...

Osaka's post concluded, "Lastly thank you to everyone for all the kind messages, I am extremely grateful." Mouratoglou posted pictures of Osaka and himself on Instagram with a full statement.

Osaka has won only one title while collaborating with Mouratoglou – more precisely the Saint-Malo WTA 125 – really too little for a champion of her caliber, who has made the recent history of women's ...

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 announced the parting with Frenchman Mouratoglou, the former coach of superstar Serena Williams, on social media on Monday before defeating Canadian qualifier Ariana Arseneault 6-4, 6-2 in ...

Osaka announced the end of her coaching partnership with Wim Fissette after the US Open and began training with Mouratoglou during the leadup to the Asian Swing. The former No.1, who enters this week ...

I'd say he's my coach right now," Osaka said after beating Lucia Bronzetti 6-3 6-2 in her first match under Mouratoglou. "I try not to get into relationships with people for the short-term.

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.