Ai Sugiyama defeated Jie Zheng 4-6 6-3 8-6 in the Olympics round of 64 on hard. The upset overturned the form book — Jie Zheng came in leading the head-to-head 2–0. Ai Sugiyama claimed a first win over Jie Zheng in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-09-22 | Beijing | R16 | hard | Jie Zheng | 6-1 6-2 |
| 2005-08-15 | Toronto | R32 | hard | Jie Zheng | 2-6 7-6(8) 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 (160 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About