Cristian Villagran defeated Jonathan Gonzalia 6-3 6-3 in the Argentina F1 round of 16 on clay. The result followed the form book — Cristian Villagran came in leading the head-to-head 2–1. Cristian Villagran extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-04-24 | Argentina F4 | R32 | clay | Jonathan Gonzalia | 6-1 6-3 |
| 2005-04-25 | Argentina F3 | R32 | clay | Cristian Villagran | 6-2 6-7(2) 6-4 |
| 2004-03-08 | Chile 1 2 | R16 | clay | Cristian Villagran | 6-4 7-6(5) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.