Patricio Arquez defeated Antonio Pastorino 6-7 6-3 6-2 in the Chile F5 round of 16 on clay. Patricio Arquez extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-03-08 | Chile 1 3 | R16 | clay | Antonio Pastorino | 6-1 4-2 |
| 2003-02-17 | Brazil F2 | R32 | hard | Patricio Arquez | 2-6 6-2 6-2 |