Stefanie Haidner defeated Valentina Sulpizio 6-4 7-6 in the Campobasso 10K round of 32 on clay. The upset overturned the form book — Valentina Sulpizio came in leading the head-to-head 2–1. Stefanie Haidner narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-11-19 | Barcelona 10K | QF | clay | Valentina Sulpizio | 6-3 6-7(4) 6-4 |
| 2007-10-15 | Settimo San Pietro 10K | R16 | clay | Stefanie Haidner | 6-3 6-1 |
| 2006-03-27 | RomeTiro a Volo 10K | R16 | clay | Valentina Sulpizio | 6-4 3-6 6-2 |