Cheong Eui Kim defeated Jea Moon Lee 6-1 6-4 in the Korea F1 round of 32 on hard. The upset overturned the form book — Jea Moon Lee came in leading the head-to-head 2–1. Cheong Eui Kim narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-06-05 | Korea F2 | SF | hard | Jea Moon Lee | 1-6 7-5 6-4 |
| 2016-09-05 | Korea F8 | QF | clay | Jea Moon Lee | 6-4 3-6 7-5 |
| 2016-08-29 | Korea F7 | R16 | clay | Cheong Eui Kim | 6-1 7-5 |
Averages over each player's completed matches in the selected window (121 vs 127). 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