Sunam Jeong defeated So Ra Lee 6-0 7-5 in the W15 Gimcheon 1 quarter-final 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 |
|---|---|---|---|---|---|
| 2022-09-03 | W15 Yeongwol 1 | SF | hard | Sunam Jeong | 6-0 6-0 |
| 2014-06-23 | Gimcheon 10K | R16 | hard | Sunam Jeong | 2-6 6-0 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.