Patricio Delgado defeated Americo Venero Montes 6-4 3-6 7-6 in the Ecuador Masters 4 qualifying round on clay. The upset overturned the form book — Americo Venero Montes came in leading the head-to-head 4–0. Patricio Delgado claimed a first win over Americo Venero Montes in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-07-13 | Colombia Masters 2 | R16 | clay | Americo Venero Montes | 5-7 6-4 6-4 |
| 1992-07-13 | Colombia Masters 4 | R32 | clay | Americo Venero Montes | 6-3 6-4 |
| 1992-06-01 | Caribbean 2 Masters 2 | QF | clay | Americo Venero Montes | 7-5 6-2 |
| 1991-10-21 | Bolivia Chile Masters 1 | R32 | clay | Americo Venero Montes | 6-7 6-3 6-2 |