Ti Chen defeated Tasuku Iwami 6-1 6-0 in the Thailand F4 final on hard. Ti Chen extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-10-16 | Japan F11 | R16 | hard | Tasuku Iwami | 6-4 3-6 6-3 |
| 2005-08-29 | Japan F9 | QF | hard | Ti Chen | 3-6 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.