Sun Jung Kim defeated Jin A Lee 6-0 1-6 7-6 in the Goyang 25K qualifying round of 16 on hard. The result followed the form book — Sun Jung Kim came in leading the head-to-head 2–1. Sun Jung Kim extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-05-30 | Gimcheon 25K | R32 | hard | Sun Jung Kim | 2-6 6-3 6-4 |
| 2008-09-01 | Go Yang 10K | QF | hard | Sun Jung Kim | 3-6 6-3 6-1 |
| 2007-05-21 | Gimhae 10K | QF | clay | Jin A Lee | 6-2 7-5 |