Sun Jung Kim advanced when Nungnadda Wannasuk retired 2-6 5-2 in the Yeong Wol 10K round of 16. Sun Jung Kim claimed a first win over Nungnadda Wannasuk in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-07-16 | Khonkan 10K | QF | hard | Nungnadda Wannasuk | 6-3 6-4 |