Cristian Villagran defeated Patricio Arquez 6-3 6-3 in the Argentina F5 qualifying round on clay. Cristian Villagran extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-04-25 | Argentina F3 | R32 | clay | Cristian Villagran | 6-2 6-7(2) 6-4 |
| 2002-10-14 | Chile F6 | R16 | clay | Patricio Arquez | 6-3 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.