Laura Haberkorn defeated Olga Kalyuzhnaya 6-3 6-7 6-4 in the Alphen A D Rijn 10K qualifying round on clay. The upset overturned the form book — Olga Kalyuzhnaya came in leading the head-to-head 1–0. Laura Haberkorn claimed a first win over Olga Kalyuzhnaya in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-06-25 | Breda 10K | F | clay | Olga Kalyuzhnaya | 6-4 7-6(5) |