Erwin Troebinger defeated N. Toffanin 7-6 6-2 in the M15 Allershausen 1 q32 on clay. The upset overturned the form book — N. Toffanin came in leading the head-to-head 3–0. Erwin Troebinger claimed a first win over N. Toffanin in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-07-07 | M15 Telfs 1 | Q32 | clay | N. Toffanin | 6-0 6-1 |
| 2025-05-04 | M25 Santa margherita di Pula 6 | Q32 | clay | N. Toffanin | 2-6 6-4 10-8 |
| 2024-07-15 | M25 Telfs 1 | Q32 | clay | N. Toffanin | 6-0 4-6 10-7 |