Rodrigo Navarro defeated Ruben Alvarenga 6-4 6-1 in the Bolivia Chile Masters 4 round of 32 on clay. The upset overturned the form book — Ruben Alvarenga came in leading the head-to-head 1–0, but Rodrigo Navarro had been the form player, winning 1 of their last 6 on clay. Rodrigo Navarro claimed a first win over Ruben Alvarenga in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-09-07 | Peru Bolivia Masters 1 | R32 | clay | Ruben Alvarenga | 6-2 6-0 |