Bjorn Jacob defeated Kotaro Miyachi 3-6 7-5 7-6 in the Japan Masters 3 round of 32 on hard. The upset overturned the form book — Kotaro Miyachi came in leading the head-to-head 1–0. Bjorn Jacob claimed a first win over Kotaro Miyachi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1994-11-07 | Japan Masters 2 | R16 | hard | Kotaro Miyachi | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.