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

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 ...

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

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

Four-time Grand Slam champion Naomi Osaka has reached the fourth round of the Canadian Open following a dominant win over 22nd-seed Jelena Ostapenko.

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

Japan’s Naomi Osaka is moving on to the National Bank Open’s fourth round after a 6-2, 6-4 win over 22nd-seeded Jelena ...

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

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

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

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

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