Sonja Larsen defeated Hannah Nagel 6-3 6-2 in the Leimen 10K qualifying round of 16 on hard. The result followed the form book — Sonja Larsen came in leading the head-to-head 1–0. Sonja Larsen extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-05-02 | Wiesbaden 10K | R32 | clay | Sonja Larsen | 6-3 7-6(5) |