Oscar Rodriguez Arg advanced past Claudio Alvarado via walkover in the Chile 1 Masters 4 round of 32. Oscar Rodriguez Arg extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-02 | Chile 2 Masters 1 | R32 | clay | Oscar Rodriguez Arg | 6-7 6-0 6-3 |