Sun Jung Kim defeated Jeong A Cho 6-0 7-5 in the Gimcheon 25K round of 16 on hard. Sun Jung Kim extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-08-25 | Gimhae 10K | R32 | hard | Jeong A Cho | 6-4 1-6 6-0 |
| 2006-05-22 | Seogwipo 10K | R32 | hard | Sun Jung Kim | 7-6(8) 6-1 |