Adriano Ferreira defeated Antonio Prieto 7-6 6-1 in the Brazil 4 Masters 4 final on clay. The upset overturned the form book — Antonio Prieto came in leading the head-to-head 2–0. Adriano Ferreira claimed a first win over Antonio Prieto in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-11-22 | Brazil 5 Masters 3 | R16 | clay | Antonio Prieto | 7-6 6-3 |
| 1996-11-16 | Brazil 5 Masters 4 | R32 | clay | Antonio Prieto | 6-4 7-6 |