Rafael Rangel defeated Ernesto Ponce 3-6 6-3 6-4 in the Mexico Masters 1 qualifying round on hard. The upset overturned the form book — Ernesto Ponce came in leading the head-to-head 1–0. Rafael Rangel claimed a first win over Ernesto Ponce in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-07-27 | Mexico Masters 3 | R16 | hard | Ernesto Ponce | 6-4 6-3 |