Woong Sun Jun defeated Tasuku Iwami 6-4 6-1 in the Japan F2 qualifying round on carpet. The result followed the form book — Woong Sun Jun came in leading the head-to-head 1–0. Woong Sun Jun extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-04-24 | Japan F3 | SF | carpet | Woong Sun Jun | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.