Nicky Van Dyck defeated Marcella Koek 7-5 3-6 6-4 in the Brussels 10K round of 32 on clay. The upset overturned the form book — Marcella Koek came in leading the head-to-head 2–0, but Nicky Van Dyck had been the form player, winning 2 of their last 4 on clay. Nicky Van Dyck claimed a first win over Marcella Koek in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-07-05 | Brussels 10K | R32 | clay | Marcella Koek | 6-3 6-1 |
| 2007-11-05 | Le Havre 10K | R32 | clay | Marcella Koek | 4-6 6-2 6-2 |