Gustavo Jorge Re defeated Federico Pierini 6-3 6-3 in the Argentina 1 Masters 4 round of 16 on clay. The upset overturned the form book — Federico Pierini came in leading the head-to-head 1–0, but Gustavo Jorge Re had been the form player, winning 1 of their last 4 on clay. Gustavo Jorge Re claimed a first win over Federico Pierini in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-10-05 | Chile Masters 2 | R32 | clay | Federico Pierini | 6-2 7-6 |