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

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

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 ...

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

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.

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

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.

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 ...