Grant Silcock defeated Kotaro Miyachi 6-3 6-0 in the Australia 1 Masters 1 round of 32 on clay. The upset overturned the form book — Kotaro Miyachi came in leading the head-to-head 1–0. Grant Silcock claimed a first win over Kotaro Miyachi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-09-28 | Australia 3 Masters 4 | R16 | hard | Kotaro Miyachi | 7-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.