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

So far, the early results are promising for the budding partnership between Osaka and Wiktorowski. Osaka defeated Ariana ...

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

Wiktorowski coached Poland’s Iga Swiatek from late 2021 until last October. Read more at straitstimes.com. Read more at ...

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 ...

Osaka's time with Mouratologou followed an up-and-down sequence of promising signs and frustrations with either injury or close-run defeats.

Naomi Osaka, the four-time Grand Slam champion, has ended her partnership with coach Patrick Mouratoglou after less than a year. She's now trialing wi ...

The former No. 1 has been seen practicing with Iga Swiatek's previous coach, after parting ways with Patrick Mouratoglou on Sunday.

Wimbledon champion Iga Swiatek cruised, Naomi Osaka battled through and Canadian Eugenie Bouchard called time on her WTA ...

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

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 has just been through to the Montreal third round and it came after a major comeback pulled off by the Japanese, who defeated No. 13 seed Liudmila Samsonova 4-6 7-6 (6) 6-3 in just over ...