Zorayma Arreola defeated Martha Sanchez 6-2 6-4 in the Metepec 10K qualifying round of 16 on hard. The upset overturned the form book — Martha Sanchez came in leading the head-to-head 1–0. Zorayma Arreola claimed a first win over Martha Sanchez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-03-26 | Puebla 10K | Q16 | hard | Martha Sanchez | 6-4 6-0 |