Ramon Delgado defeated Joao Zwetsch 6-3 4-6 6-2 in the Ecuador Peru Masters 2 semi-final on clay. The upset overturned the form book — Joao Zwetsch came in leading the head-to-head 1–0. Ramon Delgado claimed a first win over Joao Zwetsch in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-01-13 | Central America Masters 4 | R16 | hard | Joao Zwetsch | 3-6 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.