Tae Woo Lee defeated Yunseong Chung 7-5 7-6 in the Korea F5 round of 16 on clay. The upset overturned the form book — Yunseong Chung came in leading the head-to-head 1–0. Tae Woo Lee claimed a first win over Yunseong Chung in two meetings, levelling the head-to-head at 1–1.
Woo Lee T. took it in straight sets.
Clay: Woo Lee T. leads 1–0 · Hard: Chung Y. leads 1–0
Tae Woo Lee beat Yunseong Chung 7-5 7-6(3). Umpiry, "Tae Woo Lee vs Yunseong Chung — Korea F5 Round of 16", https://umpiry.com/match/2017-06-26/chung-vs-lee-korea-f5-r16?utm_source=cite (as of 26 June 2017).