David Martin defeated Hyung Tae Kwon 6-2 6-2 in the Japan F10 round of 16 on hard. David Martin extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-04-17 | Japan F2 | QF | carpet | David Martin | 6-0 6-4 |
| 2005-04-25 | Japan F3 | R32 | carpet | Hyung Tae Kwon | 7-5 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.