Kateryna Bondarenko defeated Anna Lena Groenefeld 6-3 6-1 in the Tokyo round of 64 on hard. The upset overturned the form book — Anna Lena Groenefeld came in leading the head-to-head 2–1. Kateryna Bondarenko narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-02-26 | Doha | R32 | hard | Kateryna Bondarenko | 7-5 4-6 6-3 |
| 2004-11-29 | Palm Beach Gardens 50K | R16 | clay | Anna Lena Groenefeld | 6-3 6-0 |
| 2004-11-15 | Tucson AZ 50K | R32 | hard | Anna Lena Groenefeld | 6-3 5-7 6-4 |
Averages over each player's completed matches in the selected window (200 vs 54). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About