Tae Woo Lee defeated Cheong Eui Kim 6-4 1-6 7-6 in the Korea F5 qualifying round on clay. The upset overturned the form book — Cheong Eui Kim came in leading the head-to-head 2–0. Tae Woo Lee claimed a first win over Cheong Eui Kim in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-06-12 | Korea F3 | F | hard | Cheong Eui Kim | 7-6(6) 6-4 |
| 2015-08-17 | Korea F4 | R32 | hard | Cheong Eui Kim | 6-3 6-3 |
Averages over each player's completed matches in the selected window (33 vs 121). 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