Seong Woon Yu defeated Kwi Tai Kim 6-2 5-7 7-5 in the Korea F4 qualifying round of 64 on hard.
Woon Yu S. came through in three sets.
Seong Woon Yu beat Kwi Tai Kim 6-2 5-7 7-5. Umpiry, "Seong Woon Yu vs Kwi Tai Kim — Korea F4 Qualifying Round of 64", https://umpiry.com/match/2015-08-17/kim-vs-yu-korea-f4-q64?utm_source=cite (as of 17 August 2015).