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

The news comes after Naomi Osaka lost her second match at the D.C. Open and just before she begins competing in Toronto.

Osaka, a four-time Grand Slam champion, has been in a career rut for years. Mouratoglou joined her staff in September of 2024 ...

Naomi Osaka and coach Patrick Mouratoglou are done working together after less than a year, the four-time Grand Slam champion ...

Naomi Osaka ’s path back to Grand Slam glory has hit yet another roadblock. The two-time US Open champion fell short in the ...

WASHINGTON -- WASHINGTON (AP) — Emma Raducanu dominated her first career matchup against Naomi Osaka, winning the showdown at ...

The 2021 U.S. Open winner, who had fallen out of the top 300 before returning to the top 50, advances to the tournament ...

Emma Raducanu dominó su primer enfrentamiento profesional contra Naomi Osaka, imponiéndose el jueves 6-4, 6-4 en el duelo del ...

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

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 ...

Match recap, highlights, and quotes from Emma Raducanu's win over Naomi Osaka in the 2025 Mubadala Citi DC Open.

So far, the early results are promising for the budding partnership between Osaka and Wiktorowski. Osaka defeated Ariana Arseneault in the first round of the WTA 1000 Montreal yesterday. However, ...