Karolina Sprem defeated Anna Lena Groenefeld 6-4 6-2 in the Berlin round of 64 on grass. The upset overturned the form book — Anna Lena Groenefeld came in leading the head-to-head 3–0, defending last year's round of 64. Karolina Sprem claimed a first win over Anna Lena Groenefeld in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-05-22 | Istanbul | QF | clay | Anna Lena Groenefeld | 6-4 6-4 |
| 2005-09-12 | Bali | R32 | hard | Anna Lena Groenefeld | 7-5 5-7 6-3 |
| 2005-07-09 | Fed Cup WG1 PO: CRO vs GER | RR | clay | Anna Lena Groenefeld | 6-3 6-7(5) 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 (80 vs 140). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About