Gaston Arturo Grimolizzi defeated Damian Guichonet 6-1 6-2 in the Argentina F9 qualifying round on clay. The result followed the form book — Gaston Arturo Grimolizzi came in leading the head-to-head 1–0. Gaston Arturo Grimolizzi extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-12-08 | Argentina F18 | R16 | clay | Gaston Arturo Grimolizzi | 7-6(3) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.