| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Istvan Kovacs | 2 | 2 | - | - | 1 |
| Felix Brych | 5 | 2 | - | - | 2.5 |
| Srdjan Jovanovic | 1 | 1 | - | - | 1 |
| Harm Osmers | 1 | 1 | - | - | 1 |
| Marco di Bello | 1 | 1 | - | - | 1 |
| Bastian Dankert | 1 | 1 | - | - | 1 |
| Slavko Vincic | 1 | 1 | - | - | 1 |
| Christian Dingert | 1 | 1 | - | 1 | 0.5 |
| Sascha Stegemann | 3 | 1 | - | - | 3 |
| Tobias Welz | 3 | 1 | - | - | 3 |
| Frank Willenborg | 3 | 1 | - | - | 3 |
| Benjamin Cortus | 4 | 1 | - | - | 4 |
| Deniz Aytekin | 4 | 1 | - | - | 4 |
| Benoit Bastien | 5 | 1 | - | - | 5 |
| Hakim Ben El Hadj | 5 | 1 | - | - | 5 |
| Clement Turpin | 7 | 1 | - | - | 7 |
| Daniel Siebert | 7 | 1 | - | - | 7 |
P = Matches played,
C = Cards .