Jonathan Chang defeated Victor Krustev 6-4 6-2 in the USA F14 qualifying round of 32 on clay.
Chang J. took it in straight sets.
Jonathan Chang beat Victor Krustev 6-4 6-2. Umpiry, "Jonathan Chang vs Victor Krustev — USA F14 Qualifying Round of 32", https://umpiry.com/match/2016-04-18/chang-vs-krustev-usa-f14-q32?utm_source=cite (as of 18 April 2016).