Kotaro Miyachi defeated Wei Ju Chen 4-6 6-4 6-1 in the Japan 2 Masters 3 round of 32 on hard. The upset overturned the form book — Wei Ju Chen came in leading the head-to-head 1–0. Kotaro Miyachi claimed a first win over Wei Ju Chen in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-11-17 | Japan 2 Masters 2 | R16 | hard | Wei Ju Chen | 6-2 0-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.