Jaeyoung Park defeated Yo Sub Yoon 6-2 6-1 in the Korea F3 qualifying round of 64 on hard.
Park J. took it in straight sets.
Jaeyoung Park beat Yo Sub Yoon 6-2 6-1. Umpiry, "Jaeyoung Park vs Yo Sub Yoon — Korea F3 Qualifying Round of 64", https://umpiry.com/match/2015-08-10/park-vs-yoon-korea-f3-q64?utm_source=cite (as of 10 August 2015).