Dae Soung Oh defeated Soong Jae Cho 6-3 6-3 in the Korea F4 qualifying round of 64 on hard. The result followed the form book — Dae Soung Oh came in leading the head-to-head 1–0. Dae Soung Oh extended the head-to-head to 2–0.
Soung Oh D. took it in straight sets.
Dae Soung Oh beat Soong Jae Cho 6-3 6-3. Umpiry, "Dae Soung Oh vs Soong Jae Cho — Korea F4 Qualifying Round of 64", https://umpiry.com/match/2015-08-17/cho-vs-oh-korea-f4-q64?utm_source=cite (as of 17 August 2015).