Cheong Eui Kim defeated Young Seok Kim 6-4 6-3 in the Korea F4 semi-final on hard. Cheong Eui Kim moved ahead in the head-to-head, 2–1.
Kim C. took it in straight sets.
Hard: Kim C. leads 2–0 · Clay: Seok Kim Y. leads 1–0
Cheong Eui Kim beat Young Seok Kim 6-4 6-3. Umpiry, "Cheong Eui Kim vs Young Seok Kim — Korea F4 Semi-final", https://umpiry.com/match/2017-06-19/kim-vs-kim-korea-f4-sf?utm_source=cite (as of 19 June 2017).