Mario Pacheco defeated Miguel Tobon 7-6 7-6 in the Ecuador Peru Masters 3 qualifying round on clay. The upset overturned the form book — Miguel Tobon came in leading the head-to-head 1–0. Mario Pacheco claimed a first win over Miguel Tobon in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-08-15 | Ecuador Peru Masters 4 | R16 | clay | Miguel Tobon | 6-4 2-6 6-4 |