Young Seok Kim defeated Jea Moon Lee 3-6 7-6 6-3 in the Korea F4 qualifying round on hard. The upset overturned the form book — Jea Moon Lee came in leading the head-to-head 1–0, but Young Seok Kim had been the form player, winning 4 of their last 7 on hard. Young Seok Kim claimed a first win over Jea Moon Lee in two meetings, levelling the head-to-head at 1–1.
Seok Kim Y. came through in three sets.
Young Seok Kim beat Jea Moon Lee 3-6 7-6(0) 6-3. Umpiry, "Young Seok Kim vs Jea Moon Lee — Korea F4 Qualifying Round", https://umpiry.com/match/2017-06-19/kim-vs-lee-korea-f4-qf?utm_source=cite (as of 19 June 2017).