Sung Jun Park defeated Seong Gook Oh 6-2 6-3 in the Korea F7 qualifying round of 16 on hard.
Park S. took it in straight sets.
Sung Jun Park beat Seong Gook Oh 6-2 6-3. Umpiry, "Sung Jun Park vs Seong Gook Oh — Korea F7 Qualifying Round of 16", https://umpiry.com/match/2013-06-17/oh-vs-park-korea-f7-q16?utm_source=cite (as of 17 June 2013).