Michael Kocher defeated Peter Vehar 1-6 7-5 6-2 in the USA 5 Masters 4 round of 64 on hard. The upset overturned the form book — Peter Vehar came in leading the head-to-head 1–0. Michael Kocher claimed a first win over Peter Vehar in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-05-25 | Germany 3 Masters 3 | R32 | clay | Peter Vehar | 6-4 6-7 6-1 |