Gustavo Cavallaro defeated Geronimo Degreef 2-6 6-4 6-2 in the Argentina 2 Masters 4 qualifying round on clay. The upset overturned the form book — Geronimo Degreef came in leading the head-to-head 1–0. Gustavo Cavallaro claimed a first win over Geronimo Degreef in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-06-01 | Brazil 3 Masters 2 | R32 | clay | Geronimo Degreef | 7-6 6-2 |