WTA · WTA 250
Japan Open Osaka
Past winners, finals and results of every edition since 2023.
In brief
Japan Open Osaka is a WTA 250 tournament. Our archive has 4 editions, from 2023 to 2026. The latest title, in 2026, went to Katerina Siniakova, who beat Ashlyn Krueger in the final.
Every edition
| Year | Champion | Runner-up |
|---|---|---|
| 2026 |  Katerina Siniakova |  Ashlyn Krueger 6-1 6-0 |
| 2025 |  Leylah Annie Fernandez | Tereza Valentova 6-0 5-7 6-3 |
| 2024 |  Suzan Lamens |  Kimberly Birrell 6-0 6-4 |
| 2023 | Ashlyn Krueger |  Lin Zhu 6-3 7-6(6) |
Other WTA 250 tournaments
- ASB Classic Auckland
- Athens Open
- ATX Open Austin
- Chennai Open
- Copa Colsanitas Bogota
- Grand Prix De SAR La Princesse Lalla Meryem Rabat
- Guangzhou Open
- Hobart International
- Hong Kong Tennis Open
- Jiangxi Open
- Korea Open Seoul
- Lexus Eastbourne Open
- Libema Open 's-Hertogenbosch
- Livesport Prague Open
- MSC Hamburg Ladies Open
- Open Capfinances Rouen Metropole
- Rothesay Open Nottingham
- Singapore Open
- SP Open Sao Paulo
- Tennis in the Land Cleveland
- The Memphis Classic
- Transylvania Open Cluj-Napoca
- UniCredit Iasi Open