Rodrigo Perez defeated Gaston Arturo Grimolizzi 6-3 7-5 in the Argentina F10 round of 32 on clay. The upset overturned the form book — Gaston Arturo Grimolizzi came in leading the head-to-head 3–0, but Rodrigo Perez had been the form player, winning 6 of their last 10 on clay. Rodrigo Perez claimed a first win over Gaston Arturo Grimolizzi in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-11-08 | Chile F4 | R32 | clay | Gaston Arturo Grimolizzi | 6-3 6-4 |
| 2010-10-18 | Chile F1 | R16 | clay | Gaston Arturo Grimolizzi | 6-4 6-1 |
| 2009-06-08 | Argentina F8 | R16 | clay | Gaston Arturo Grimolizzi | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.