Level, 1 wins each over 2 singles meetings since 2023. Last meeting on 22/09/2023 at M25 Takasaki.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 22/09/2023 | M25 Takasaki | Quarter-final | hard | Altamirano | 3-6 1-6 |
| 06/09/2023 | M25 Hong Kong | Round 1 | hard | Nishiwaki | 3-6 5-6 |
| hard | Altamirano 1 - 1 Nishiwaki |
| 2023 | Altamirano 1 - 1 Nishiwaki |
62 wins, 56 losses since 2021 (52.5%).
Last matches: D D D V V
99 wins, 98 losses since 2021 (50.3%).
Last matches: D D V V D
Level, 1 wins each over 2 singles meetings since 2023.
On 22/09/2023, at M25 Takasaki (Quarter-final): Collin Altamirano won 3-6 1-6.