Jea Moon Lee defeated Young Seok Kim 6-3 6-3 in the Busan CH qualifying round 1 on hard. The upset overturned the form book — Young Seok Kim came in leading the head-to-head 1–0. Jea Moon Lee claimed a first win over Young Seok Kim in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-06-19 | Korea F4 | QF | hard | Young Seok Kim | 3-6 7-6(0) 6-3 |
Averages over each player's completed matches in the selected window (126 vs 36). 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