Kai Chen Chang defeated Wen Hsin Hsu 7-5 6-4 in the Osaka qualifying round on hard.
Chen Chang K. took it in straight sets.
Kai Chen Chang beat Wen Hsin Hsu 7-5 6-4. Umpiry, "Kai Chen Chang vs Wen Hsin Hsu — Osaka Qualifying Round", https://umpiry.com/match/2009-10-11/chang-vs-hsu-osaka-qf?utm_source=cite (as of 11 October 2009).