Natalie Grandin defeated Vilmarie Castellvi 6-1 6-3 in the Port Pirie 25K qualifying round on hard. The result followed the form book — Natalie Grandin came in leading the head-to-head 2–1. Natalie Grandin extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-07-30 | Washington DC 75K | R32 | hard | Vilmarie Castellvi | 6-4 6-1 |
| 2007-02-05 | Midland MI 75K | R32 | hard | Natalie Grandin | 4-6 6-4 6-0 |
| 2005-07-25 | Lexington KY 50K | R32 | hard | Natalie Grandin | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.