Seung Hoon Lee defeated Tasuku Iwami 6-2 6-1 in the Korea F1 round of 32 on hard. Seung Hoon Lee extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-04-19 | Japan F2 | R16 | carpet | Seung Hoon Lee | 6-3 6-1 |
| 2000-07-17 | Indonesia F3 | R16 | hard | Tasuku Iwami | 6-7(4) 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.