| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Florian Meyer | 7 | 2 | - | - | 3.5 |
| Gunther Perl | 8 | 2 | - | - | 4 |
| Felix Brych | 14 | 2 | - | - | 7 |
| Danny Desmond Makkelie | 1 | 1 | - | - | 1 |
| Liran Liany | 1 | 1 | - | - | 1 |
| Bas Nijhuis | 2 | 1 | - | - | 2 |
| Guido Winkmann | 3 | 1 | - | - | 3 |
| Christian Dingert | 7 | 1 | - | - | 7 |
| Howard Webb | 7 | 1 | - | - | 7 |
| Deniz Aytekin | 11 | 1 | - | - | 11 |
| Manuel Grafe | 17 | 1 | - | - | 17 |
P = Matches played,
C = Cards .