Miguel Merz advanced when Jaime Cortes retired 6-2 1-6 2-0 in the Central America Masters 3 semi-final. Miguel Merz claimed a first win over Jaime Cortes in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-02-16 | Central America Masters 2 | R16 | hard | Jaime Cortes | 7-6 6-4 |
| 1991-02-16 | Central America Masters 3 | QF | hard | Jaime Cortes | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.