Tjahjono Tjahjono defeated Geoff Grant 6-3 6-0 in the Indonesia Masters 2 semi-final on hard. The upset overturned the form book — Geoff Grant came in leading the head-to-head 1–0, but Tjahjono Tjahjono had been the form player, winning 4 of their last 10 on hard. Tjahjono Tjahjono claimed a first win over Geoff Grant in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-09-07 | Indonesia Masters 3 | QF | hard | Geoff Grant | 7-6 1-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.