Kateryna Bondarenko defeated Alona Bondarenko 6-1 6-3 in the Prague round of 32 on clay. The upset overturned the form book — Alona Bondarenko came in leading the head-to-head 2–0. Kateryna Bondarenko claimed a first win over Alona Bondarenko in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-04-06 | Ponte Vedra Beach | R16 | clay | Alona Bondarenko | 4-6 6-4 6-3 |
| 2006-02-13 | Bangalore | R32 | hard | Alona Bondarenko | 6-4 7-5 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 107). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About