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

Ostapenko won her lone major at Roland Garros in 2017, on her 20th birthday. She’s currently ranked 26th, but is just 17-14 in 2025. Osaka won four Slams from 2018 to 2021, but hasn’t made it past the ...

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

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

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

Naomi Osaka and Liudmila Samsonova have played five times in the past 16 months, and Osaka took a 3-2 lead in their rivalry ...

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

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 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 ...

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

Naomi Osaka’s tennis career has been, quite frankly, a rollercoaster. Not just any rollercoaster, but one of those ...

Naomi Osaka has parted company with coach Patrick Mouratoglou less than a year after the pair began working together, the ...