Tomas Martinez defeated Mateo Matulovich 6-4 6-2 in the M25 Rosario 2 q64 on clay. The upset overturned the form book — Mateo Matulovich came in leading the head-to-head 1–0. Tomas Martinez claimed a first win over Mateo Matulovich in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-11-26 | M15 Santa Cruz 2 | Q32 | clay | Mateo Matulovich | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.