Sandra Kloesel defeated Vilmarie Castellvi 6-4 6-1 in the Ashland KY 50K round of 32 on hard. The upset overturned the form book — Vilmarie Castellvi came in leading the head-to-head 1–0. Sandra Kloesel claimed a first win over Vilmarie Castellvi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-06-14 | Wimbledon | Q128 | grass | Vilmarie Castellvi | 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.