N. Schlagenhauf defeated Filip Soderqvist 6-2 6-3 in the M15 Telfs 1 q16 on clay. The upset overturned the form book — Filip Soderqvist came in leading the head-to-head 1–0. N. Schlagenhauf claimed a first win over Filip Soderqvist in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-05-12 | M15 Bastad 1 | Q32 | clay | Filip Soderqvist | 6-4 6-3 |