Ruben Alvarenga defeated Paulino Alonso 6-3 6-3 in the Peru Bolivia Masters 1 round of 16 on clay. Ruben Alvarenga extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-10-09 | Chile 2 Masters 3 | R32 | clay | Ruben Alvarenga | 6-4 6-2 |
| 1992-09-07 | Peru Bolivia Masters 2 | R32 | clay | Paulino Alonso | 6-1 7-5 |