Eva Birnerova defeated Katarzyna Piter 6-4 6-4 in the Alphen a d Rijn 25K round of 16 on clay. The upset overturned the form book — Katarzyna Piter came in leading the head-to-head 1–0. Eva Birnerova claimed a first win over Katarzyna Piter in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-01-09 | Australian Open | Q128 | hard | Katarzyna Piter | 6-3 7-6(2) |
Averages over each player's completed matches in the selected window (37 vs 158). 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