Columbus — past champions and tournament history, with AI match predictions published when the draw is live.
| Year | Champion | Final score |
|---|---|---|
| 2026 | D. Dietrich | 2 - 0 |
| 2025 | M. Zheng | 2 - 1 |
| 2022 | Y. Nishioka | 2 - 0 |
| Year | Champion | Final score |
|---|---|---|
| 2021 | N. Parrizas-Diaz | 0 - 2 |