Johanna Konta defeated Kai Chen Chang 6-3 7-6 in the US Open qualifying round of 128 on hard.
Konta J. took it in straight sets.
Johanna Konta beat Kai Chen Chang 6-3 7-6(5). Umpiry, "Johanna Konta vs Kai Chen Chang — US Open Qualifying Round of 128", https://umpiry.com/match/2012-08-22/chang-vs-konta-us-open-q128?utm_source=cite (as of 22 August 2012).