Level, 1 wins each over 2 singles meetings since 2022. Last meeting on 12/09/2026 at M25 Sapporo.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 12/09/2026 | M25 Sapporo | Semi-final | hard | Saitoh | 6-7 6-2 5-4 |
| 31/10/2022 | Yokohama Challenger | Qualifiers | hard | Hong | 6-2 7-5 |
| hard | Hong 1 - 1 Saitoh |
| 2026 | Hong 0 - 1 Saitoh |
| 2022 | Hong 1 - 0 Saitoh |
122 wins, 86 losses since 2021 (58.7%).
Last matches: D V V V D
168 wins, 130 losses since 2021 (56.4%).
Last matches: V V V V V
Level, 1 wins each over 2 singles meetings since 2022.
On 12/09/2026, at M25 Sapporo (Semi-final): Keisuke Saitoh won 6-7 6-2 5-4.