Damian Patriarca defeated Gaston Arturo Grimolizzi 6-2 6-4 in the Argentina F15 qualifying round on clay. The upset overturned the form book — Gaston Arturo Grimolizzi came in leading the head-to-head 1–0, but Damian Patriarca had been the form player, winning 5 of their last 10 on clay. Damian Patriarca claimed a first win over Gaston Arturo Grimolizzi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-01 | Argentina F17 | R32 | clay | Gaston Arturo Grimolizzi | 7-6(3) 1-6 7-6(4) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.