Ruben Alvarenga defeated Diego Del Rio 6-3 6-4 in the Brazil 2 Masters 4 round of 16 on clay. The upset overturned the form book — Diego Del Rio came in leading the head-to-head 2–0. Ruben Alvarenga claimed a first win over Diego Del Rio in three meetings, narrowing 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 |
| 1993-09-11 | Bolivia Chile Masters 1 | R32 | clay | Diego Del Rio | 6-1 6-1 |