| Referee | Games |  |  | Cards per game |
|---|
| Arne Aarnink | 1 | 3 | 0 | 3.0 (3.0 / 0.0) | |
| Deniz Aytekin | 1 | 3 | 1 | 4.0 (3.0 / 1.0) | |
| Benjamin Brand | 1 | 1 | 0 | 1.0 (1.0 / 0.0) | |
| Felix Brych | 1 | 0 | 0 | 0.0 (0.0 / 0.0) | |
| Bastian Dankert | 1 | 8 | 1 | 9.0 (8.0 / 1.0) | |
| Christian Dingert | 2 | 11 | 1 | 6.0 (5.5 / 0.5) | |
| Marco Fritz | 2 | 9 | 0 | 4.5 (4.5 / 0.0) | |
| Manuel Gräfe | 2 | 5 | 0 | 2.5 (2.5 / 0.0) | |
| Robert Hartmann | 2 | 7 | 1 | 4.0 (3.5 / 0.5) | |
| Patrick Ittrich | 1 | 6 | 0 | 6.0 (6.0 / 0.0) | |
| Sven Jablonski | 2 | 6 | 0 | 3.0 (3.0 / 0.0) | |
| Harm Osmers | 1 | 5 | 0 | 5.0 (5.0 / 0.0) | |
| Daniel Schlager | 1 | 5 | 0 | 5.0 (5.0 / 0.0) | |
| Markus Schmidt | 1 | 4 | 0 | 4.0 (4.0 / 0.0) | |
| Daniel Siebert | 3 | 9 | 0 | 3.0 (3.0 / 0.0) | |
| Sascha Stegemann | 2 | 12 | 1 | 6.5 (6.0 / 0.5) | |
| Tobias Stieler | 2 | 5 | 0 | 2.5 (2.5 / 0.0) | |
| Frank Willenborg | 1 | 5 | 1 | 6.0 (5.0 / 1.0) | |
| Guido Winkmann | 1 | 3 | 0 | 3.0 (3.0 / 0.0) | |
| Felix Zwayer | 3 | 18 | 1 | 6.3 (6.0 / 0.3) | |
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