Lennart Jonason defeated Geoff Grant 7-6 7-6 in the USA 1 Masters 4 round of 16 on clay. The upset overturned the form book — Geoff Grant came in leading the head-to-head 1–0. Lennart Jonason claimed a first win over Geoff Grant in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-03-19 | USA 1 Masters 3 | R64 | clay | Geoff Grant | 7-5 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.