| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Harm Osmers | 7 | 5 | - | - | 1.4 |
| Daniel Siebert | 11 | 2 | - | - | 5.5 |
| Anasthasios Sidiropoulos | 1 | 1 | - | - | 1 |
| Maurizio Mariani | 1 | 1 | - | - | 1 |
| Tobias Reichel | 1 | 1 | - | - | 1 |
| Joshua Bondo | 1 | 1 | - | - | 1 |
| Matthias Jollenbeck | 2 | 1 | - | - | 2 |
| Andreas Ekberg | 2 | 1 | - | - | 2 |
| Szymon Marciniak | 2 | 1 | - | - | 2 |
| Antonio Miguel Mateu Lahoz | 2 | 1 | - | - | 2 |
| Patrick Ittrich | 2 | 1 | - | - | 2 |
| Sergey Karasev | 2 | 1 | - | 1 | 1 |
| Bastian Dankert | 3 | 1 | - | - | 3 |
| Daniele Orsato | 3 | 1 | - | - | 3 |
| Frank Willenborg | 3 | 1 | - | - | 3 |
| Tobias Welz | 3 | 1 | - | - | 3 |
| Slavko Vincic | 4 | 1 | - | - | 4 |
| Daniel Schlager | 5 | 1 | - | - | 5 |
| Florian Badstubner | 7 | 1 | - | - | 7 |
| Sven Jablonski | 7 | 1 | - | - | 7 |
| Deniz Aytekin | 9 | 1 | - | - | 9 |
P = Matches played,
C = Cards .