Seong Gook Oh defeated Ji Hoon Son 7-5 6-1 in the Korea F5 round of 32 on clay.
Gook Oh S. took it in straight sets.
Seong Gook Oh beat Ji Hoon Son 7-5 6-1. Umpiry, "Seong Gook Oh vs Ji Hoon Son — Korea F5 Round of 32", https://umpiry.com/match/2017-06-26/oh-vs-son-korea-f5-r32?utm_source=cite (as of 26 June 2017).