Joao Zwetsch defeated Ernane Melo 6-4 6-2 in the Ecuador Peru Masters 4 qualifying round on clay. The upset overturned the form book — Ernane Melo came in leading the head-to-head 1–0. Joao Zwetsch claimed a first win over Ernane Melo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1994-08-13 | Ecuador Peru Masters 1 | R16 | clay | Ernane Melo | 1-6 6-4 6-4 |