Ernesto Diaz defeated Janne Kiilavirta 6-1 6-4 in the Caribbean 1 Masters 3 qualifying round on clay. The result followed the form book — Ernesto Diaz came in leading the head-to-head 1–0. Ernesto Diaz extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-06-03 | USA 3 Masters 4 | R64 | hard | Ernesto Diaz | 6-7 6-2 6-3 |