Sunam Jeong defeated Da Hye Kim 6-2 6-3 in the W25 Changwon round of 32 on hard. The result followed the form book — Sunam Jeong came in leading the head-to-head 2–0. Sunam Jeong extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-06-22 | W15 Gimcheon 2 | SF | hard | Sunam Jeong | 6-1 6-7(4) 6-2 |
| 2019-06-13 | W15 Gimcheon 1 | R16 | hard | Sunam Jeong | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.