Hiroki Kondo defeated Tetsuya Chaen 6-2 6-3 in the Japan F8 round of 32 on hard. The upset overturned the form book — Tetsuya Chaen came in leading the head-to-head 2–0, but Hiroki Kondo had been the form player, winning 3 of their last 7 on hard. Hiroki Kondo claimed a first win over Tetsuya Chaen in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-05-14 | China F2 | R32 | hard | Tetsuya Chaen | 6-4 6-2 |
| 2006-09-11 | Japan F9 | R16 | carpet | Tetsuya Chaen | 3-6 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.