Alona Bondarenko defeated Karolina Sprem 4-6 7-5 6-1 in the Budapest round of 32 on clay. The upset overturned the form book — Karolina Sprem came in leading the head-to-head 1–0, defending last year's semi-final. Alona Bondarenko claimed a first win over Karolina Sprem in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-01-16 | Australian Open | R128 | hard | Karolina Sprem | 6-4 6-2 |
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 (107 vs 29). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About