Oliver Fernandez defeated Jaime Cortes 6-4 6-3 in the Central America Masters 4 final on hard. The upset overturned the form book — Jaime Cortes came in leading the head-to-head 1–0. Oliver Fernandez claimed a first win over Jaime Cortes in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-02-16 | Central America Masters 3 | SF | hard | Jaime Cortes | 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.