Katarzyna Piter defeated Eva Birnerova 6-3 7-6 in the Australian Open qualifying round 1 on hard. Katarzyna Piter extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-01-09 | Australian Open | Q128 | hard | Katarzyna Piter | 6-3 7-6(2) |
| 2009-09-07 | Alphen a d Rijn 25K | R16 | clay | Eva Birnerova | 6-4 6-4 |
Averages over each player's completed matches in the selected window (148 vs 6). 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