Tokyo — past champions and tournament history, with AI match predictions published when the draw is live.
| Year | Champion | Final score |
|---|---|---|
| 2026 | C. Alcaraz | 2 - 0 |
| 2025 | C. Alcaraz | 2 - 0 |
| 2022 | T. Fritz | 0 - 2 |
| 2019 | N. Djokovic | 2 - 0 |
| Year | Champion | Final score |
|---|---|---|
| 2026 | D. Shnaider | 1 - 2 |
| 2025 | B. Bencic | 2 - 0 |
| 2022 | L. Samson | 0 - 2 |
| 2018 | Ka. Pliskova | 0 - 2 |
| Year | Champion | Final score |
|---|---|---|
| 2019 | S. Zhang | 2 - 0 |