Stephanie Dubois defeated Vilmarie Castellvi 6-4 6-3 in the Albuquerque NM 75K round of 16 on hard. The upset overturned the form book — Vilmarie Castellvi came in leading the head-to-head 1–0, but Stephanie Dubois had been the form player, winning 5 of their last 10 on hard. Stephanie Dubois claimed a first win over Vilmarie Castellvi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-27 | Troy AL 50K | R32 | hard | Vilmarie Castellvi | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.