Overview
- The closed-door test match was briefly halted by a thunderstorm before play resumed with Luzern leading through Sinan Karweina in the 20th minute.
- Freiburg overturned the deficit with three goals in five minutes from Junior Adamu (60), Niklas Beste (62) and Patrick Osterhage (65).
- Maximilian Philipp added a fourth for Freiburg in the 75th minute.
- Matteo di Giusto pulled one back for Luzern in the 88th minute.
- Freiburg remain bottom of the Bundesliga after two losses and visit VfB Stuttgart on 13 September.