Bing Pan defeated Tetsuya Chaen 6-4 7-6 in the Japan Masters 4 qualifying round on hard. The upset overturned the form book — Tetsuya Chaen came in leading the head-to-head 2–0, but Bing Pan had been the form player, winning 3 of their last 7 on hard. Bing Pan claimed a first win over Tetsuya Chaen in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-06-09 | Japan 1 Masters 1 | R16 | hard | Tetsuya Chaen | 7-6 6-3 |
| 1992-11-02 | Japan Masters 1 | R32 | hard | Tetsuya Chaen | 7-6 6-4 |
Averages over each player's completed matches in the selected window (1 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. Small sample — read as indicative. About