Cristian Villagran defeated Matias Niemiz 6-3 6-3 in the Argentina F3 round of 16 on clay. The result followed the form book — Cristian Villagran came in leading the head-to-head 1–0. Cristian Villagran extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-13 | Argentina F6 | R32 | clay | Cristian Villagran | 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.