Vilmarie Castellvi defeated Jewel Peterson 6-3 6-2 in the Albuquerque NM 75K round of 32 on hard. The upset overturned the form book — Jewel Peterson came in leading the head-to-head 1–0, but Vilmarie Castellvi had been the form player, winning 3 of their last 9 on hard. Vilmarie Castellvi claimed a first win over Jewel Peterson in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-09-15 | Columbus OH 50K | R32 | hard | Jewel Peterson | 6-3 7-6(8) |