Nelson Aerts defeated Carlos Custodio 7-6 6-1 in the Brazil 3 Masters 2 round of 16 on clay. The upset overturned the form book — Carlos Custodio came in leading the head-to-head 1–0. Nelson Aerts claimed a first win over Carlos Custodio in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-05-31 | Brazil 3 Masters 4 | R16 | hard | Carlos Custodio | 3-6 6-3 6-2 |