Gabriel Trifu defeated Stefan Heckmanns 6-4 6-2 in the USA 6 Masters 4 round of 32 on hard. The upset overturned the form book — Stefan Heckmanns came in leading the head-to-head 1–0. Gabriel Trifu claimed a first win over Stefan Heckmanns in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-10-15 | USA 6 Masters 3 | R64 | hard | Stefan Heckmanns | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.