Hong Chung advanced when Daniel Yoo retired 6-7 2-2 in the Korea F4 round of 16. Hong Chung extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-06-12 | Korea F3 | QF | hard | Hong Chung | 6-3 6-0 |
Averages over each player's completed matches in the selected window (36 vs 4). 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