WTA 500 · Hard · Tokyo, Japan · WTA
Pan Pacific Open
Editions
| Year | Level | Champion | Finalist | Final |
|---|---|---|---|---|
| 2026 | WTA 500 | Diana Shnaider | Leylah Fernandez | 6-4 5-7 6-2 |
| 2025 | WTA 500 | Belinda Bencic | Linda Noskova | 6-2 6-3 |
| 2024 | WTA 500 | Qinwen Zheng | Sofia Kenin | 7-6(5) 6-3 |
| 2023 | WTA 500 | Veronika Kudermetova | Jessica Pegula | 7-5 6-1 |
| 2022 | WTA 500 | Liudmila Samsonova | Qinwen Zheng | 7-5 7-5 |
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