Daniel Nguyen defeated Jae Hwan Kim 6-1 6-2 in the Korea F1 qualifying round on hard.
Nguyen D. took it in straight sets.
Daniel Nguyen beat Jae Hwan Kim 6-1 6-2. Umpiry, "Daniel Nguyen vs Jae Hwan Kim — Korea F1 Qualifying Round", https://umpiry.com/match/2017-05-29/kim-vs-nguyen-korea-f1-qf?utm_source=cite (as of 29 May 2017).