Tetsuya Chaen defeated Xin Yuan Yu 6-2 5-7 6-3 in the Japan F12 semi-final on hard. The result followed the form book — Tetsuya Chaen came in leading the head-to-head 2–0. Tetsuya Chaen extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-03-19 | Japan F1 | QF | hard | Tetsuya Chaen | 6-3 6-4 |
| 2005-08-29 | Japan F9 | R32 | hard | Tetsuya Chaen | 6-4 2-1 |
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