| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Bas Nijhuis | 12 | 4 | - | - | 3 |
| Markus Schmidt | 3 | 2 | - | - | 1.5 |
| Martin Petersen | 4 | 2 | - | - | 2 |
| Christian Dingert | 4 | 2 | - | - | 2 |
| William Collum | 6 | 2 | - | - | 3 |
| Serdar Gozubuyuk | 8 | 2 | - | - | 4 |
| Bjorn Kuipers | 10 | 2 | - | - | 5 |
| Danny Desmond Makkelie | 10 | 2 | - | - | 5 |
| Wolfgang Stark | 1 | 1 | - | - | 1 |
| Yevhen Aranovskiy | 1 | 1 | - | - | 1 |
| Ricardo de Burgos | 1 | 1 | - | - | 1 |
| Joao Pinheiro | 1 | 1 | - | - | 1 |
| Matej Jug | 2 | 1 | - | - | 2 |
| Pawel Raczkowski | 2 | 1 | - | - | 2 |
| Artur Soares Dias | 2 | 1 | - | - | 2 |
| Bibiana Steinhaus | 3 | 1 | - | - | 3 |
| Szymon Marciniak | 3 | 1 | - | - | 3 |
| David Fernandez Borbalan | 3 | 1 | - | - | 3 |
| Deniz Aytekin | 3 | 1 | - | - | 3 |
| Sascha Stegemann | 3 | 1 | - | - | 3 |
| Daniel Schlager | 4 | 1 | - | - | 4 |
| Soren Storks | 4 | 1 | - | - | 4 |
| Tobias Stieler | 4 | 1 | - | - | 4 |
| Damir Skomina | 4 | 1 | - | - | 4 |
| Guido Winkmann | 5 | 1 | - | - | 5 |
| Sergey Karasev | 6 | 1 | - | - | 6 |
| Marco Fritz | 7 | 1 | - | - | 7 |
| Kevin Blom | 14 | 1 | - | - | 14 |
P = Matches played,
C = Cards .