Nicky Van Dyck defeated Sofie Oyen 5-7 6-4 6-1 in the Koksijde 25K round of 32 on clay. The upset overturned the form book — Sofie Oyen came in leading the head-to-head 2–1. Nicky Van Dyck narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-08-01 | Rebecq 10K | R32 | clay | Sofie Oyen | 2-6 6-1 7-5 |
| 2011-07-18 | Knokke 10K | R16 | clay | Nicky Van Dyck | 6-1 3-2 |
| 2010-08-02 | Rebecq 10K | R16 | clay | Sofie Oyen | 7-6(5) 6-3 |