Patricia Holzman defeated Erika Clarke Magana 0-6 6-3 6-4 in the Mexico City 10K round of 16 on hard. The upset overturned the form book — Erika Clarke Magana came in leading the head-to-head 1–0. Patricia Holzman claimed a first win over Erika Clarke Magana in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-10-25 | Los Mochis 10K | QF | clay | Erika Clarke Magana | 6-2 6-7(4) 6-4 |