Level, 1 wins each over 2 singles meetings since 2025. Last meeting on 06/03/2026 at Brasilia Challenger.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 06/03/2026 | Brasilia Challenger | Quarter-final | clay | Vallejo | 7-6(6) 6-3 |
| 24/07/2025 | Zug Challenger | Round 2 | clay | Acosta | 7-6(5) 6-2 |
| clay | Acosta 1 - 1 Vallejo |
| 2026 | Acosta 0 - 1 Vallejo |
| 2025 | Acosta 1 - 0 Vallejo |
199 wins, 134 losses since 2021 (59.8%).
Last matches: D V D D D
188 wins, 124 losses since 2021 (60.3%).
Last matches: D V D D V
Level, 1 wins each over 2 singles meetings since 2025.
On 06/03/2026, at Brasilia Challenger (Quarter-final): Adolfo Daniel Vallejo won 7-6(6) 6-3.