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 ...

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

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

Unseeded Naomi Osaka looked strong against her seeded opponent and could now face world No 4 Jessica Pegula in the next round ...

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

Naomi Osaka avoided major drama today as the four-time Grand Slam champion ousted 2017 French Open winner Jelena Ostapenko ...

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 ...

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 ...

Naomi Osaka secured a 6-2, 6-4 victory over Jelena Ostapenko in a battle of Grand Slam champions in the third round of the ...