Geoff Grant defeated Tjahjono Tjahjono 7-6 1-6 6-4 in the Indonesia Masters 3 qualifying round on hard. The upset overturned the form book — Tjahjono Tjahjono came in leading the head-to-head 1–0. Geoff Grant claimed a first win over Tjahjono Tjahjono in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-09-07 | Indonesia Masters 2 | SF | hard | Tjahjono Tjahjono | 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.