Dong Hyun Kim defeated Satoshi Iwabuchi 6-3 6-2 in the Chinese Taipei F1 qualifying round on hard. The upset overturned the form book — Satoshi Iwabuchi came in leading the head-to-head 2–0, but Dong Hyun Kim had been the form player, winning 4 of their last 7 on hard. Dong Hyun Kim claimed a first win over Satoshi Iwabuchi in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-06-12 | Japan F6 | R16 | clay | Satoshi Iwabuchi | 6-2 7-6(7) |
| 2005-06-13 | Japan F6 | QF | carpet | Satoshi Iwabuchi | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.