Chu Huan Yi defeated Xin Yuan Yu 7-5 6-7 6-3 in the China F4 qualifying round on hard. The upset overturned the form book — Xin Yuan Yu came in leading the head-to-head 2–0, but Chu Huan Yi had been the form player, winning 2 of their last 7 on hard. Chu Huan Yi claimed a first win over Xin Yuan Yu in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-10-16 | Japan F11 | R32 | hard | Xin Yuan Yu | 6-3 6-3 |
| 2006-01-09 | China F1 | R32 | hard | Xin Yuan Yu | 6-3 6-3 |
Averages over each player's completed matches in the selected window (19 vs 2). 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. About