Danielle Harmsen defeated Marcella Koek 6-3 6-2 in the Cairo 10K round of 32 on clay. The result followed the form book — Danielle Harmsen came in leading the head-to-head 2–0. Danielle Harmsen extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-21 | Rotterdam 10K | QF | clay | Danielle Harmsen | 6-3 6-2 |
| 2009-09-28 | Antalya-Belek 10K | QF | clay | Danielle Harmsen | 6-3 6-2 |