Ai Sugiyama defeated Anna Lena Groenefeld 6-2 6-4 in the Charleston round of 32 on clay. The upset overturned the form book — Anna Lena Groenefeld came in leading the head-to-head 1–0. Ai Sugiyama claimed a first win over Anna Lena Groenefeld in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-09-19 | Beijing | R16 | hard | Anna Lena Groenefeld | 6-2 6-3 |
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 (149 vs 137). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About