Oscar Bustos defeated Rodrigo Navarro 6-2 6-3 in the Bolivia Chile Masters 2 round of 16 on clay. The result followed the form book — Oscar Bustos came in leading the head-to-head 1–0. Oscar Bustos extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-09-23 | Ecuador Peru Masters 4 | R16 | clay | Oscar Bustos | 6-1 7-5 |