Santiago Pesino leads 3 to 1 over 4 singles meetings since 2025. Last meeting on 31/08/2026 at M15 Trelew.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 31/08/2026 | M15 Trelew | Qualifiers | indoor hard | Vertberger | 6-7 3-5 |
| 24/08/2026 | M15 Mar Del Plata | Qualifying 2 | clay | Pesino | |
| 24/03/2026 | M15 Punta del Este | Qualifiers | clay | Pesino | 6-1 6-0 |
| 07/07/2025 | M15 Salta | Qualifiers | clay | Pesino |
| indoor hard | Vertberger 1 - 0 Pesino |
| clay | Vertberger 0 - 3 Pesino |
| 2026 | Vertberger 1 - 2 Pesino |
| 2025 | Vertberger 0 - 1 Pesino |
16 wins, 21 losses since 2021 (43.2%).
Last matches: D V V D V
23 wins, 17 losses since 2021 (57.5%).
Last matches: D V D V V
Santiago Pesino leads 3 to 1 over 4 singles meetings since 2025.
On 31/08/2026, at M15 Trelew (Qualifiers): Ian Vertberger won 6-7 3-5.