Nicolas Lapentti defeated Americo Venero Montes 6-2 6-2 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 3–1. Nicolas Lapentti narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1995-07-08 | Colombia Masters 3 | QF | clay | Nicolas Lapentti | 6-2 6-2 |
| 1994-07-16 | Colombia Masters 4 | R16 | clay | Americo Venero Montes | 6-4 7-6 |
| 1993-08-15 | Ecuador Peru Masters 4 | SF | clay | Americo Venero Montes | 6-2 6-2 |
| 1991-09-23 | Ecuador Peru Masters 1 | QF | clay | Americo Venero Montes | 6-1 0-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.