Seong Chan Hong defeated Makoto Ochi 6-1 7-6 in the Korea F1 semi-final on hard.
Hong S. took it in straight sets.
Seong Chan Hong beat Makoto Ochi 6-1 7-6(9). Umpiry, "Seong Chan Hong vs Makoto Ochi — Korea F1 Semi-final", https://umpiry.com/match/2017-05-29/hong-vs-ochi-korea-f1-sf?utm_source=cite (as of 29 May 2017).