Biljana Pawlowa Dimitrova defeated Marcella Koek 6-1 3-6 6-3 in the Giza 1 10K qualifying round on clay. The upset overturned the form book — Marcella Koek came in leading the head-to-head 1–0. Biljana Pawlowa Dimitrova claimed a first win over Marcella Koek in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-05-05 | Edinburgh 10K | SF | clay | Marcella Koek | 6-2 6-3 |