Aleksandar Vukic defeated Jonathan Chang 6-3 6-4 in the USA F25 round of 32 on hard.
Vukic A. took it in straight sets.
Aleksandar Vukic beat Jonathan Chang 6-3 6-4. Umpiry, "Aleksandar Vukic vs Jonathan Chang — USA F25 Round of 32", https://umpiry.com/match/2017-07-24/chang-vs-vukic-usa-f25-r32?utm_source=cite (as of 24 July 2017).