Geronimo Degreef defeated Gustavo Cavallaro 7-6 6-2 in the Brazil 3 Masters 2 round of 32 on clay. The upset overturned the form book — Gustavo Cavallaro came in leading the head-to-head 1–0, but Geronimo Degreef had been the form player, winning 4 of their last 10 on clay. Geronimo Degreef claimed a first win over Gustavo Cavallaro in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-07-17 | Argentina 2 Masters 4 | QF | clay | Gustavo Cavallaro | 2-6 6-4 6-2 |