Yu Jr Wang defeated Xin Yuan Yu 6-4 6-3 in the Japan F11 round of 16 on hard. The upset overturned the form book — Xin Yuan Yu came in leading the head-to-head 2–1. Yu Jr Wang narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-08-01 | China 1 Satellite 4 | F | hard | Xin Yuan Yu | 4-6 6-2 6-3 |
| 2003-07-21 | China 1 1 | F | hard | Xin Yuan Yu | 6-0 6-3 |
| 2003-07-21 | China 1 2 | SF | hard | Yu Jr Wang | 6-3 7-5 |
Averages over each player's completed matches in the selected window (1 vs 3). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About