Ruben Alvarenga defeated Rodrigo Ferreiro 3-6 6-4 7-5 in the Peru Bolivia Masters 3 round of 32 on clay. The upset overturned the form book — Rodrigo Ferreiro came in leading the head-to-head 1–0. Ruben Alvarenga claimed a first win over Rodrigo Ferreiro in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-04-13 | Brazil 2 Masters 4 | R32 | clay | Rodrigo Ferreiro | 6-3 6-3 |