Maria Jose Lopez Herrera defeated Karen Paterson 6-7 6-4 7-6 in the San Luis Potosi 25K round of 32 on hard. The result followed the form book — Maria Jose Lopez Herrera came in leading the head-to-head 1–0. Maria Jose Lopez Herrera extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-08-02 | Wrexham 10K | R16 | hard | Maria Jose Lopez Herrera | 6-4 7-5 |