Adolfo Daniel Vallejo leads 2 to 0 over 2 singles meetings since 2025. Last meeting on 19/03/2026 at Asuncion Challenger.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 19/03/2026 | Asuncion Challenger | Round 1 | clay | Vallejo | 6-2 6-2 |
| 13/02/2025 | M25 Punta del Este | Round 1 | clay | Vallejo | 6-1 1-6 6-3 |
| clay | Vallejo 2 - 0 Zarate |
| 2026 | Vallejo 1 - 0 Zarate |
| 2025 | Vallejo 1 - 0 Zarate |
188 wins, 126 losses since 2021 (59.9%).
Last matches: D D D V D
106 wins, 70 losses since 2021 (60.2%).
Last matches: D V V D V
Adolfo Daniel Vallejo leads 2 to 0 over 2 singles meetings since 2025.
On 19/03/2026, at Asuncion Challenger (Round 1): Adolfo Daniel Vallejo won 6-2 6-2.