Mariano Campos defeated Juan Felipe Yanez 6-2 7-5 in the Chile 2 Masters 1 round of 32 on clay. The result followed the form book — Mariano Campos came in leading the head-to-head 1–0. Mariano Campos extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-02 | Chile 2 Masters 4 | R16 | clay | Mariano Campos | 6-3 6-2 |