Naomi Osaka has secured four Grand Slam singles titles in her career. Her victories span both hard-court majors—the US Open and the Australian Open—where she has demonstrated dominance and resilience.

Timeline of Major Wins

Her first breakthrough came in 2018, when she defeated Serena Williams in a dramatic US Open final. She followed that up with a win at the 2019 Australian Open, showcasing her ability to handle pressure and expectations. In 2020, she claimed her second US Open title, and in 2021, she repeated her success in Melbourne, winning her second Australian Open.

Summary of Grand Slam Titles

Here’s a breakdown of Osaka’s Grand Slam victories:

Year Tournament Opponent in Final Score
2018 US Open Serena Williams 6–2, 6–4
2019 Australian Open Petra Kvitová 7–6(2), 5–7, 6–4
2020 US Open Victoria Azarenka 1–6, 6–3, 6–3
2021 Australian Open Jennifer Brady 6–4, 6–3

Osaka in Washington, ranking, and results in 2025

Naomi Osaka

36 - 15win/loss

Hard
25-9
Clay
8-3
Grass
3-3
28 year old
WWWWWWWLWL
2025 Highlights

Currently ranked no.51, Naomi has managed to achieve a compiled 21-10 record in 2025. Osaka is playing at the moment in Washington where she conquered the world no.43 Yulia Putintseva 6-2 7-5.

Naomi Osaka will come up against the world no.46 Emma Raducanu in the 2nd

round on Thursday at 1:00 pm on STADIUM. In the past, they have never played each other so far on the main tour.

Naomi clinched 1 title in 2025 in the Malo. The Japanese reached the final in Auckland (ASB Classic).

Osaka won 7 titles in her career: all of them conquered on hard courts. (See the list of her titles)

Osaka has scheduled to play next in Montreal (Omnium Banque Nationale). She will begin to play the tournament from the main draw that will commence on the 28th of July.

Washington
Osaka's Record
Projected
Draw