Adolfo Daniel Vallejo leads 3 to 0 over 3 singles meetings since 2025. Last meeting on 31/01/2026 at Concepcion Challenger.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 31/01/2026 | Concepcion Challenger | Semi-final | clay | Vallejo | 6-3 1-6 4-2 |
| 17/10/2025 | Curitiba Challenger | Quarter-final | clay | Vallejo | 6-3 6-7(2) 6-3 |
| 02/10/2025 | Antofagasta Challenger | Quarter-final | clay | Vallejo | 6-3 6-2 |
| clay | Vera 0 - 3 Vallejo |
| 2026 | Vera 0 - 1 Vallejo |
| 2025 | Vera 0 - 2 Vallejo |
224 wins, 152 losses since 2021 (59.6%).
Last matches: D V D D V
188 wins, 124 losses since 2021 (60.3%).
Last matches: D V D D V
Adolfo Daniel Vallejo leads 3 to 0 over 3 singles meetings since 2025.
On 31/01/2026, at Concepcion Challenger (Semi-final): Adolfo Daniel Vallejo won 6-3 1-6 4-2.