Stefanie Haidner defeated Valentina Sassi 7-5 6-1 in the Perigueux 25K qualifying round on clay. The upset overturned the form book — Valentina Sassi came in leading the head-to-head 1–0. Stefanie Haidner claimed a first win over Valentina Sassi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-15 | Settimo San Pietro 10K | SF | clay | Valentina Sassi | 6-2 7-5 |