Guido Pella defeated Gaston Giussani 6-1 6-4 in the Bolivia F4 qualifying round on clay. The result followed the form book — Guido Pella came in leading the head-to-head 3–0. Guido Pella extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-08-24 | Bolivia F1 | F | clay | Guido Pella | 4-6 6-2 6-2 |
| 2008-06-30 | Argentina F6 | R32 | clay | Guido Pella | 6-2 6-1 |
| 2007-08-13 | Peru F3 | R16 | clay | Guido Pella | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.