Cheong Eui Kim defeated Chan Yeong Oh 6-4 6-4 in the Korea F3 round of 32 on hard. The upset overturned the form book — Chan Yeong Oh came in leading the head-to-head 1–0. Cheong Eui Kim claimed a first win over Chan Yeong Oh in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-02-13 | Indonesia F2 | R16 | hard | Chan Yeong Oh | 4-6 6-4 7-6(2) |
Averages over each player's completed matches in the selected window (188 vs 90). 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