Mario Rincon defeated Keith Brill 4-6 7-6 6-2 in the Bolivia F1 qualifying round on clay. The result followed the form book — Mario Rincon came in leading the head-to-head 1–0. Mario Rincon extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-09-14 | Peru F3 | R16 | clay | Mario Rincon | 6-1 4-6 6-1 |