Achille Margotto defeated Antonio Prieto 6-1 6-4 in the Brazil 5 Masters 3 qualifying round on clay. The result followed the form book — Achille Margotto came in leading the head-to-head 1–0. Achille Margotto extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-11-22 | Brazil 5 Masters 1 | R16 | clay | Achille Margotto | 7-5 6-0 |