Federico Lusin defeated Ruben Alvarenga 6-4 6-3 in the Bolivia Chile Masters 1 round of 16 on clay. The upset overturned the form book — Ruben Alvarenga came in leading the head-to-head 1–0. Federico Lusin claimed a first win over Ruben Alvarenga in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1994-04-16 | Argentina 1 Masters 2 | R32 | clay | Ruben Alvarenga | 6-2 6-0 |