Lucie Kriegsmannova defeated Nikola Vajdova 7-5 5-7 7-6 in the Piestany 10K round of 32 on clay. The upset overturned the form book — Nikola Vajdova came in leading the head-to-head 1–0. Lucie Kriegsmannova claimed a first win over Nikola Vajdova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-03-12 | Ramat Hasharon 10K | R32 | hard | Nikola Vajdova | 6-4 6-4 |