Federico Pierini defeated Luis Valdez 6-4 4-6 6-3 in the Brazil 2 Masters 1 round of 16 on clay. The result followed the form book — Federico Pierini came in leading the head-to-head 1–0. Federico Pierini extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-10-21 | Bolivia Chile Masters 4 | QF | clay | Federico Pierini | 6-4 6-4 |