Helge Capell defeated Tetsuya Chaen 6-4 7-6 in the Japan Masters 1 round of 32 on hard. The upset overturned the form book — Tetsuya Chaen came in leading the head-to-head 1–0. Helge Capell claimed a first win over Tetsuya Chaen in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1994-11-07 | Japan Masters 4 | R16 | hard | Tetsuya Chaen | 2-6 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.