Virginia Trifonova defeated Sandra Klemenschits 6-4 7-6 in the Alkmaar 10K semi-final on clay. The upset overturned the form book — Sandra Klemenschits came in leading the head-to-head 1–0. Virginia Trifonova claimed a first win over Sandra Klemenschits in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-05-21 | Sofia 1 25K | R16 | clay | Sandra Klemenschits | 3-6 6-4 7-5 |