Erik Casas defeated Marco Osorio 6-7 6-3 6-0 in the Mexico 3 Masters 3 semi-final on hard. The upset overturned the form book — Marco Osorio came in leading the head-to-head 1–0, but Erik Casas had been the form player, winning 3 of their last 7 on hard. Erik Casas claimed a first win over Marco Osorio in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-08-10 | Cuba Mexico Masters 4 | QF | hard | Marco Osorio | 6-4 4-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.