Katerina Avdiyenko defeated Carolin Daniels 4-6 6-3 6-4 in the Horb 10K round of 16 on clay. The result followed the form book — Katerina Avdiyenko came in leading the head-to-head 1–0. Katerina Avdiyenko extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-07-19 | Horb 10K | R32 | clay | Katerina Avdiyenko | 6-2 3-6 7-6(5) |