Antonio Prieto defeated Carlos Custodio 4-6 6-3 7-5 in the Brazil 4 Masters 1 qualifying round on clay. The result followed the form book — Antonio Prieto came in leading the head-to-head 1–0. Antonio Prieto extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-11-16 | Brazil 5 Masters 4 | R16 | clay | Antonio Prieto | 6-1 7-5 |