Cheong Eui Kim defeated Jung Woong Na 4-6 6-2 6-1 in the Korea F4 round of 16 on hard. Cheong Eui Kim extended the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-02-04 | M25 Nonthaburi 2 | Q16 | hard | Jung Woong Na | 5-7 6-1 10-7 |
| 2019-06-28 | M15 Anseong 1 | QF | clay | Cheong Eui Kim | 6-2 6-2 |
| 2019-06-12 | M15 Gimcheon 1 | R32 | hard | Jung Woong Na | 6-2 6-2 |
| 2019-06-08 | M15 Daegu 1 | SF | hard | Jung Woong Na | 6-2 6-1 |
| 2014-03-03 | China F1 | R32 | hard | Cheong Eui Kim | 7-6(4) 6-3 |
| 2013-06-24 | Korea F8 | QF | hard | Cheong Eui Kim | 6-3 6-2 |
Averages over each player's completed matches in the selected window (121 vs 44). 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