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 ...

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

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

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

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 ...

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

Naomi Osaka was born in Japan on October 16, 1997, to a Haitian father and a Japanese mother. She spent the first three years ...

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 snatched an incredible victory against Liudmila Samsonova, saving three match points in the second set, advancing to the third round of the Canadian Open with a score of 4-6, 7-6(6), 6-4.