Stefan Leiner defeated Federico Dondo 3-6 6-3 6-2 in the Italy 4 Masters 1 round of 16 on clay. The upset overturned the form book — Federico Dondo came in leading the head-to-head 1–0. Stefan Leiner claimed a first win over Federico Dondo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-08-03 | Italy 4 Masters 4 | R32 | clay | Federico Dondo | 6-2 7-6 |