Seung Yeon Hong advanced when Yeon Woo Ku retired 6-4 0-1 in the W15 Yeongwol 2 round of 32. Seung Yeon Hong claimed a first win over Yeon Woo Ku in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-05-21 | W25 Goyang | Q16 | hard | Yeon Woo Ku | 6-0 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.