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

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Naomi Osaka stormed into the fourth round of the Omnium Banque Nationale, knocking out former Roland Garros champion Jelena Ostapenko, 6-2, 6-4.

Naomi Osaka was on the brink of defeat at the Canadian Open, but she saved two match points to pull off an incredible ...

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 ...

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

Naomi Osaka was born in Japan on October 16, 1997, to a Haitian father and a Japanese mother. She spent the first three years of her life in Japan. Then, her family relocated to Long Island, New York, ...

Nick Kyrgios acknowledged Naomi Osaka's major Montreal comeback by posting about it on his Instagram Story and congratulating ...

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

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

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

Japanese tennis star Naomi Osaka unveiled her upcoming Nike tennis shoes for the hard court stretch of the WTA season.