Marcella Koek defeated Stephanie Vongsouthi 6-1 6-1 in the Brussels 10K round of 16 on clay. The upset overturned the form book — Stephanie Vongsouthi came in leading the head-to-head 1–0. Marcella Koek claimed a first win over Stephanie Vongsouthi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-03-19 | Amiens 10K | R32 | clay | Stephanie Vongsouthi | 6-2 6-0 |