Tasuku Iwami defeated Masahide Sakamoto 6-3 6-3 in the Hong Kong F2 round of 32 on hard. Tasuku Iwami extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-05-20 | Japan F4 | R32 | hard | Tasuku Iwami | 6-7(4) 6-2 6-4 |
| 1999-06-07 | Japan 1 Masters 2 | R32 | hard | Masahide Sakamoto | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.