Rodolfo Daruich defeated Cristian Villagran 6-1 6-1 in the Argentina F4 semi-final on clay. The upset overturned the form book — Cristian Villagran came in leading the head-to-head 4–0. Rodolfo Daruich claimed a first win over Cristian Villagran in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-04-25 | Argentina F3 | QF | clay | Cristian Villagran | 6-0 4-6 6-4 |
| 2004-08-02 | Chile F1A | R32 | clay | Cristian Villagran | 6-0 7-6(6) |
| 2003-10-27 | Argentina F5 | R32 | clay | Cristian Villagran | 7-6(3) 6-2 |
| 2001-05-07 | Argentina F6 | R16 | clay | Cristian Villagran | 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.