Anna Lena Groenefeld defeated Ai Sugiyama 6-2 6-3 in the Beijing round of 16 on hard. The upset overturned the form book — Ai Sugiyama came in leading the head-to-head 1–0. Anna Lena Groenefeld claimed a first win over Ai Sugiyama in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-04-11 | Charleston | R32 | clay | Ai Sugiyama | 6-2 6-4 |
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 (137 vs 149). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About