| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Carlos Del Cerro Grande | 4 | 2 | - | - | 2 |
| Bastian Dankert | 8 | 2 | - | - | 4 |
| Christian Dingert | 9 | 2 | - | - | 4.5 |
| Daniel Siebert | 11 | 2 | - | - | 5.5 |
| Clement Turpin | 1 | 1 | - | - | 1 |
| Bas Nijhuis | 1 | 1 | - | - | 1 |
| Aleksei Eskov | 1 | 1 | - | - | 1 |
| Jacob Kehlet | 1 | 1 | - | - | 1 |
| Sergey Karasev | 2 | 1 | - | - | 2 |
| Florian Meyer | 2 | 1 | - | - | 2 |
| Jaime Latre-Santiago | 3 | 1 | - | - | 3 |
| Antonio Miguel Mateu Lahoz | 3 | 1 | - | - | 3 |
| Frank Willenborg | 4 | 1 | - | - | 4 |
| Robert Kampka | 4 | 1 | - | - | 4 |
| Markus Schmidt | 7 | 1 | - | - | 7 |
| Guido Winkmann | 4 | 0 | 1 | - | 4 |
P = Matches played,
C = Cards .