Kai Chen Chang defeated Jin A Lee 6-2 6-1 in the Fukuoka 50K round of 16 on grass. The result followed the form book — Kai Chen Chang came in leading the head-to-head 1–0. Kai Chen Chang extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-04-20 | Changwon 25K | QF | hard | Kai Chen Chang | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.