Sofie Oyen defeated Danielle Harmsen 6-1 3-6 6-1 in the Zwevegem 25K qualifying round on clay. The result followed the form book — Sofie Oyen came in leading the head-to-head 3–0. Sofie Oyen extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-14 | Alkmaar 10K | R16 | clay | Sofie Oyen | 2-6 6-2 6-2 |
| 2010-03-22 | Antalya 10K | R16 | clay | Sofie Oyen | 6-7(4) 6-3 6-0 |
| 2009-06-15 | Alkmaar 10K | R32 | clay | Sofie Oyen | 6-7(4) 7-6(4) 6-4 |