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

Highlights from Naomi Osaka's dominant win over Jelena Ostapenko on Friday to advance to the Round of 16 in Montreal.

Four-time Grand Slam champion Naomi Osaka has split with coach Patrick Mouratoglou after just shy of a year together. Osaka confirmed the split on social media ahead of the WTA 1,000 Canadian Open in ...

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

Maria Sakkari is applauding Naomi Osaka's decision to play a WTA 125 (Challenger) tournament and reveals she privately ...

Naomi Osaka is going through tough waters, and fans are thinking she's done. The 27-year-old faced another premature exit at ...

Naomi Osaka has announced the end of her association with Patrick Mouratoglou after less than a year of collaboration. The ...

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

Wimbledon champion Iga Swiatek cruised into the third round of the WTA Canadian Open on Wednesday as Naomi Osaka fought off ...

WASHINGTON (AP) — Emma Raducanu handed No. 7 seed Marta Kostyuk a sixth consecutive loss Tuesday, defeating her 7-6 (4), 6-4 at the DC Open to prolong a slide that now has lasted more than two months.