Meng Yuan defeated Ai Sugiyama 6-3 6-3 in the Japan Open round of 32 on hard. The upset overturned the form book — Ai Sugiyama came in leading the head-to-head 1–0, defending last year's quarter-final. Meng Yuan claimed a first win over Ai Sugiyama in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-03-05 | Indian Wells | R64 | hard | Ai Sugiyama | 6-4 7-6(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 (25 vs 105). ATP, WTA & Challenger.