Tasuku Iwami defeated Peerakiat Siriluethaiwattana 4-6 6-2 6-0 in the Japan F10 round of 32 on hard. The result followed the form book — Tasuku Iwami came in leading the head-to-head 2–0. Tasuku Iwami extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-08-31 | Thailand F3 | R32 | hard | Tasuku Iwami | 7-6(11) 6-3 |
| 2009-06-29 | Japan F7 | QF | clay | Tasuku Iwami | 6-7(1) 7-6(5) 7-6(2) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.