Juan Rios defeated Martin Blackman 7-5 6-2 in the Caribbean 1 Masters 2 round of 16 on clay. The result followed the form book — Juan Rios came in leading the head-to-head 1–0. Juan Rios extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-04-28 | Caribbean 2 Masters 4 | QF | hard | Juan Rios | 7-5 6-2 |