Adolfo Daniel Vallejo leads 2 to 1 over 3 singles meetings since 2024. Last meeting on 24/09/2025 at Buenos Aires Challenger.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 24/09/2025 | Buenos Aires Challenger | Round 2 | clay | Olivieri | 3-6 2-5 |
| 16/01/2025 | Buenos Aires Challenger | Round 2 | clay | Vallejo | 3-6 4-6 |
| 28/03/2024 | Sao Leopoldo Challenger | Round 2 | clay | Vallejo | 1-6 4-6 |
| clay | Olivieri 1 - 2 Vallejo |
| 2025 | Olivieri 1 - 1 Vallejo |
| 2024 | Olivieri 0 - 1 Vallejo |
169 wins, 161 losses since 2021 (51.2%).
Last matches: D D V D V
180 wins, 119 losses since 2021 (60.2%).
Last matches: D D V D V
Adolfo Daniel Vallejo leads 2 to 1 over 3 singles meetings since 2024.
On 24/09/2025, at Buenos Aires Challenger (Round 2): Genaro Alberto Olivieri won 3-6 2-5.