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 ...

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

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

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

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

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 ...

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

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

Fans were left surprised after not seeing Osaka and Kyrgios among teams officially confirmed for the US Open mixed doubles ...

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