Hideki Kaneko defeated Tetsuya Chaen 6-4 6-2 in the Japan Masters 2 round of 32 on hard. The upset overturned the form book — Tetsuya Chaen came in leading the head-to-head 2–0, but Hideki Kaneko had been the form player, winning 4 of their last 7 on hard. Hideki Kaneko claimed a first win over Tetsuya Chaen in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-07-26 | USA F12 | R32 | hard | Tetsuya Chaen | 7-6 0-6 6-3 |
| 1998-03-16 | Japan F1 | R16 | clay | Tetsuya Chaen | 6-2 6-4 |
Averages over each player's completed matches in the selected window (5 vs 2). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About