Carlos Custodio defeated Gonzalo Rodriguez 7-6 2-6 6-4 in the Brazil 4 Masters 2 round of 16 on clay. The upset overturned the form book — Gonzalo Rodriguez came in leading the head-to-head 2–0. Carlos Custodio claimed a first win over Gonzalo Rodriguez in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-09-06 | Bolivia Paraguay Masters 1 | R16 | clay | Gonzalo Rodriguez | 7-6 6-1 |
| 1997-08-09 | Ecuador Peru Masters 4 | R16 | clay | Gonzalo Rodriguez | 6-1 6-3 |