Kai Chen Chang defeated Zarina Diyas 6-3 6-0 in the US Open qualifying round of 128 on hard. 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.
Chen Chang K. took it in straight sets.
Hard: Chen Chang K. leads 1–0 · Grass: Chen Chang K. leads 1–0
Kai Chen Chang beat Zarina Diyas 6-3 6-0. Umpiry, "Kai Chen Chang vs Zarina Diyas — US Open Qualifying Round of 128", https://umpiry.com/match/2009-08-26/chang-vs-diyas-us-open-q128?utm_source=cite (as of 26 August 2009).