Jonathan Chang defeated Kevin Gardner 6-0 6-1 in the USA F23 qualifying round of 32 on hard.
Chang J. took it in straight sets.
Jonathan Chang beat Kevin Gardner 6-0 6-1. Umpiry, "Jonathan Chang vs Kevin Gardner — USA F23 Qualifying Round of 32", https://umpiry.com/match/2016-06-27/chang-vs-gardner-usa-f23-q32?utm_source=cite (as of 27 June 2016).