Naomi Osaka has announced her latest coach after a surprise split from Serena Williams' former mentor Patrick Mouratoglou.

Osaka launched her hard-court season at the Mubadala Citi DC Open last week, but suffered elimination at the hands of a rejuvenated Emma Raducanu. Osaka has been battling poor form recently, managing ...

Four-time Grand Slam champion Naomi Osaka is set to team up with Tomasz Wiktorowski, who previously coached world No. 1 Iga ...

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.

Tennis Hot Topics Naomi Osaka has enlisted the help of one of Poland’s most well-known tennis coaches for a trial period. ...

Genie Bouchard extended her tennis career for at least one more match Monday, beating Emiliana Arango 6-4, 2-6, 6-2 in the first round of the National Bank Open.

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

MONTREAL — Canada’s Kayla Cross and Ariana Arseneault are out of the National Bank Open after the first round. Cross let a ...

Serena Williams' childhood coach Rick Macci still believes in Naomi Osaka but highlights to the former world No. 1 that she ...

Naomi Osaka and Patrick Mouratoglou have parted ways after less than a year of working together, and the four-time Grand Slam champion will now work with Tomasz Wiktorowski on a trial basis.

After mixed results this season, former world number one Naomi Osaka has parted ways with coach Patrick Mouratoglou after ten ...

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