Tasuku Iwami defeated Dylan Seong Kwan Kim 6-2 3-6 6-1 in the Japan F7 round of 16 on hard. Tasuku Iwami extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-07-13 | Korean Rep F5 | R32 | hard | Dylan Seong Kwan Kim | 6-3 6-1 |
| 2008-06-23 | Japan F6 | QF | carpet | Tasuku Iwami | 6-2 |