Ku Keon Kang defeated Masaki Sasai 7-5 6-2 in the Korea F7 qualifying round of 16 on clay. The upset overturned the form book — Masaki Sasai came in leading the head-to-head 1–0. Ku Keon Kang claimed a first win over Masaki Sasai in two meetings, levelling the head-to-head at 1–1.
Keon Kang K. took it in straight sets.
Clay: Keon Kang K. leads 1–0 · Hard: Sasai M. leads 1–0
Ku Keon Kang beat Masaki Sasai 7-5 6-2. Umpiry, "Ku Keon Kang vs Masaki Sasai — Korea F7 Qualifying Round of 16", https://umpiry.com/match/2016-08-29/kang-vs-sasai-korea-f7-q16?utm_source=cite (as of 29 August 2016).