Seong Chan Hong defeated Dong Hak Sin 7-5 6-3 in the Korea F5 round of 32 on clay.
Hong S. took it in straight sets.
Seong Chan Hong beat Dong Hak Sin 7-5 6-3. Umpiry, "Seong Chan Hong vs Dong Hak Sin — Korea F5 Round of 32", https://umpiry.com/match/2017-06-26/hong-vs-sin-korea-f5-r32?utm_source=cite (as of 26 June 2017).