Rodrigo Vallejo defeated Miguel Merz 6-7 6-4 6-4 in the Caribbean 1 Masters 2 round of 32 on clay. The upset overturned the form book — Miguel Merz came in leading the head-to-head 1–0. Rodrigo Vallejo claimed a first win over Miguel Merz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1994-01-29 | Central America Masters 2 | R32 | hard | Miguel Merz | 7-6 6-4 |