Matthias Muller defeated Milan Trneny 6-7 6-3 6-2 in the Czech Moravian Masters 2 round of 16 on carpet. The upset overturned the form book — Milan Trneny came in leading the head-to-head 1–0. Matthias Muller claimed a first win over Milan Trneny in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-03-19 | Croatia Masters 4 | R32 | clay | Milan Trneny | 6-2 6-1 |