Gaston Arturo Grimolizzi defeated Federico Sansonetti 6-2 6-1 in the Argentina F11 qualifying round on clay. Gaston Arturo Grimolizzi extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-04-11 | Brazil F9 | R16 | clay | Gaston Arturo Grimolizzi | 6-3 6-1 |
| 2008-06-16 | Argentina F4 | R32 | clay | Federico Sansonetti | 7-6(3) 3-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.