Diego Del Rio defeated Ruben Alvarenga 6-1 6-1 in the Bolivia Chile Masters 1 round of 32 on clay. Diego Del Rio extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1994-11-05 | Uruguay Paraguay Masters 4 | R32 | clay | Diego Del Rio | 6-3 6-0 |
| 1991-04-15 | Brazil 2 Masters 4 | R16 | clay | Ruben Alvarenga | 6-3 6-4 |