Kotaro Miyachi defeated Bjorn Jacob 6-2 6-2 in the Japan Masters 2 round of 16 on hard. The upset overturned the form book — Bjorn Jacob came in leading the head-to-head 1–0. Kotaro Miyachi claimed a first win over Bjorn Jacob in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1994-11-07 | Japan Masters 3 | R32 | hard | Bjorn Jacob | 3-6 7-5 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.