Young Jun Kim defeated Dylan Seong Kwan Kim 6-2 1-6 6-3 in the Korea F3 round of 32 on hard. The upset overturned the form book — Dylan Seong Kwan Kim came in leading the head-to-head 1–0, but Young Jun Kim had been the form player, winning 5 of their last 8 on hard. Young Jun Kim claimed a first win over Dylan Seong Kwan Kim in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-04-13 | Korean Rep F2 | R16 | hard | Dylan Seong Kwan Kim | 6-4 6-1 |