Chan Yeong Oh defeated Hyun Sik Go 6-1 6-1 in the Korea F2 qualifying round of 64 on hard.
Yeong Oh C. took it in straight sets.
Chan Yeong Oh beat Hyun Sik Go 6-1 6-1. Umpiry, "Chan Yeong Oh vs Hyun Sik Go — Korea F2 Qualifying Round of 64", https://umpiry.com/match/2013-05-06/go-vs-oh-korea-f2-q64?utm_source=cite (as of 6 May 2013).