Anna Lena Groenefeld defeated Karolina Sprem 6-4 6-4 in the Istanbul quarter-final on clay. The result followed the form book — Anna Lena Groenefeld came in leading the head-to-head 2–1, defending last year's quarter-final. Anna Lena Groenefeld extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 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 |
| 2004-05-03 | Berlin | R64 | grass | 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 (124 vs 66). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About