Gustavo Diaz defeated Geronimo Degreef 6-3 6-4 in the Argentina 1 Masters 4 round of 32 on clay. Gustavo Diaz extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-08-31 | Argentina 2 Masters 3 | R32 | clay | Gustavo Diaz | 6-2 6-2 |
| 1994-04-16 | Argentina 1 Masters 3 | R16 | clay | Geronimo Degreef | 7-6 4-6 6-2 |