Ji Hee Choi defeated Seung Yeon Hong 6-2 6-1 in the Gimcheon 10K qualifying round on hard. Ji Hee Choi extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-06-22 | Gwangju $10K | SF | hard | Seung Yeon Hong | 3-6 6-3 6-2 |
| 2012-09-03 | Yeong Wol 10K | R32 | hard | Ji Hee Choi | 7-5 6-4 |
Averages over each player's completed matches in the selected window (79 vs 19). 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