Seung Ri Choi defeated Sang Oh Oh 6-4 6-0 in the Korea F1 qualifying round of 16 on hard.
Ri Choi S. took it in straight sets.
Seung Ri Choi beat Sang Oh Oh 6-4 6-0. Umpiry, "Seung Ri Choi vs Sang Oh Oh — Korea F1 Qualifying Round of 16", https://umpiry.com/match/2016-06-13/choi-vs-oh-korea-f1-q16?utm_source=cite (as of 13 June 2016).