Tomas Farjat defeated Adolfo Daniel Vallejo 6-2 6-4 in the M15 Lambare 1 round of 32 on clay. The upset overturned the form book — Adolfo Daniel Vallejo came in leading the head-to-head 1–0. Tomas Farjat claimed a first win over Adolfo Daniel Vallejo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-07-01 | M25 Rosario-Santa Fe 1 | SF | clay | Adolfo Daniel Vallejo | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.