Oksana Kalashnikova defeated Katarzyna Piter 6-2 6-0 in the Torun 25K round of 16 on clay. Oksana Kalashnikova extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-11-08 | Minsk 25K | R32 | hard | Oksana Kalashnikova | 7-6(12) 6-2 |
| 2008-03-24 | Cairo 10K | SF | clay | Katarzyna Piter | 6-4 6-1 |
Averages over each player's completed matches in the selected window (30 vs 94). 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