Level, 1 wins each over 2 singles meetings since 2023. Last meeting on 21/11/2025 at Yokohama Challenger.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 21/11/2025 | Yokohama Challenger | Quarter-final | hard | Sakamoto | 6-3 3-6 3-2 |
| 12/11/2023 | Kobe Challenger | Qualifying 1 | indoor hard | Uchiyama | 6-1 6-2 |
| hard | Uchiyama 0 - 1 Sakamoto |
| indoor hard | Uchiyama 1 - 0 Sakamoto |
| 2025 | Uchiyama 0 - 1 Sakamoto |
| 2023 | Uchiyama 1 - 0 Sakamoto |
122 wins, 134 losses since 2021 (47.7%).
Last matches: D D D D D
112 wins, 82 losses since 2021 (57.7%).
Last matches: V D D V V
Level, 1 wins each over 2 singles meetings since 2023.
On 21/11/2025, at Yokohama Challenger (Quarter-final): Rei Sakamoto won 6-3 3-6 3-2.