Katarzyna Piter defeated Anna Karolina Schmiedlova 6-4 6-3 in the Torun 25K semi-final on clay. The upset overturned the form book — Anna Karolina Schmiedlova came in leading the head-to-head 3–0. Katarzyna Piter claimed a first win over Anna Karolina Schmiedlova in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-09-19 | Seoul | R32 | hard | Anna Karolina Schmiedlova | 6-3 6-2 |
| 2014-10-20 | Poitiers 100K | R32 | hard | Anna Karolina Schmiedlova | 7-5 6-2 |
| 2012-05-21 | Brescia 25K | R16 | clay | Anna Karolina Schmiedlova | 6-3 6-3 |
Averages over each player's completed matches in the selected window (88 vs 200). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About