Cecilia Estlander defeated Katharina Holert 6-2 4-6 6-4 in the Alkmaar 10K round of 32 on clay. The upset overturned the form book — Katharina Holert came in leading the head-to-head 1–0. Cecilia Estlander claimed a first win over Katharina Holert in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-07-26 | Tampere 10K | R32 | clay | Katharina Holert | 6-4 6-2 |