Natalia Kolat defeated Barbara Sobaszkiewicz 6-4 6-2 in the Torun 50K q16 on clay. The upset overturned the form book — Barbara Sobaszkiewicz came in leading the head-to-head 1–0. Natalia Kolat claimed a first win over Barbara Sobaszkiewicz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-01 | Torun 25K | R32 | clay | Barbara Sobaszkiewicz | 6-2 6-1 |