Claire Lablans defeated Danielle Harmsen 3-6 7-5 6-3 in the Redbridge 10K round of 32 on hard. The upset overturned the form book — Danielle Harmsen came in leading the head-to-head 4–0. Claire Lablans claimed a first win over Danielle Harmsen in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-06-22 | Rotterdam 10K | R16 | clay | Danielle Harmsen | 6-3 6-1 |
| 2007-09-03 | Alphen A D Rijn 10K | R16 | clay | Danielle Harmsen | 7-6(9) 6-3 |
| 2007-08-27 | Enschede 10K | QF | clay | Danielle Harmsen | 6-3 6-2 |
| 2004-06-28 | Heerhugowaard 10K | R32 | clay | Danielle Harmsen | 6-4 6-2 |