Seong Yoon Chung defeated Kento Takeuchi 7-6 7-6 in the Japan F7 round of 32 on carpet. The result followed the form book — Seong Yoon Chung came in leading the head-to-head 1–0. Seong Yoon Chung extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-06-18 | Thailand F3 | R16 | hard | Seong Yoon Chung | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.