Thomas Schiessling defeated Walter Treu 6-4 6-1 in the Croatia 1 Masters 1 round of 16 on clay. The upset overturned the form book — Walter Treu came in leading the head-to-head 1–0, but Thomas Schiessling had been the form player, winning 7 of their last 9 on clay. Thomas Schiessling claimed a first win over Walter Treu in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-03-09 | Croatia 1 Masters 3 | SF | clay | Walter Treu | 2-6 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.