Geronimo Degreef defeated Ruben Alvarenga 5-7 6-4 6-2 in the Argentina 2 Masters 2 round of 16 on clay. The upset overturned the form book — Ruben Alvarenga 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 Ruben Alvarenga in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-05-08 | Chile 1 Masters 2 | R32 | clay | Ruben Alvarenga | 6-2 6-1 |