Mariano Sanchez defeated Andres Vysand 4-6 6-4 6-3 in the Mexico 2 Masters 1 qualifying round on hard. The upset overturned the form book — Andres Vysand came in leading the head-to-head 1–0, but Mariano Sanchez had been the form player, winning 10 of their last 10 on hard. Mariano Sanchez claimed a first win over Andres Vysand in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-04-05 | Mexico 2 Masters 3 | R32 | hard | Andres Vysand | 7-5 7-5 |