Horacio Pacheco defeated Federico Pierini 6-2 3-6 6-3 in the Chile Masters 1 round of 32 on clay. The result followed the form book — Horacio Pacheco came in leading the head-to-head 3–0. Horacio Pacheco extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-10-05 | Chile Masters 3 | R16 | clay | Horacio Pacheco | 6-2 6-4 |
| 1991-11-18 | Arg Uru Par Masters 2 | R16 | clay | Horacio Pacheco | 6-3 7-5 |
| 1991-11-18 | Arg Uru Par Masters 3 | R32 | clay | Horacio Pacheco | 6-4 6-4 |