Cheong Eui Kim defeated Yunseong Chung 6-2 6-4 in the Korea F6 final on hard. The result followed the form book — Cheong Eui Kim came in leading the head-to-head 3–0. Cheong Eui Kim extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-06-19 | Korea F4 | QF | hard | Cheong Eui Kim | 7-5 7-6(11) |
| 2016-12-05 | Indonesia F5 | R32 | hard | Cheong Eui Kim | 6-2 5-7 7-5 |
| 2015-04-13 | China F3 | QF | clay | Cheong Eui Kim | 5-7 7-6(2) 6-4 |
Averages over each player's completed matches in the selected window (196 vs 200). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About