Leonardo Monferrer defeated Rafael Tosetto 6-4 6-2 in the M15 Criciuma 1 round of 16 on clay. The upset overturned the form book — Rafael Tosetto came in leading the head-to-head 1–0, but Leonardo Monferrer had been the form player, winning 7 of their last 10 on clay. Leonardo Monferrer claimed a first win over Rafael Tosetto in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-06-28 | M25 Rosario-Santa Fe 1 | R32 | clay | Rafael Tosetto | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.