Hyun Woo Nam defeated Norikazu Sugiyama 6-4 6-1 in the China F5 round of 32 on hard. The result followed the form book — Hyun Woo Nam came in leading the head-to-head 2–0. Hyun Woo Nam extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-06-26 | Japan F8 | R16 | hard | Hyun Woo Nam | 6-3 6-2 |
| 2004-04-19 | Japan F2 | R32 | carpet | Hyun Woo Nam | 3-6 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.