Dick Bosse defeated Doug Flach 4-6 7-5 6-4 in the USA 3 Masters 4 semi-final on hard. The upset overturned the form book — Doug Flach came in leading the head-to-head 1–0, but Dick Bosse had been the form player, winning 3 of their last 5 on hard. Dick Bosse claimed a first win over Doug Flach in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-04-27 | USA 2 Masters 2 | R64 | clay | Doug Flach | 3-6 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.