| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Deniz Aytekin | 7 | 4 | - | - | 1.75 |
| Daniele Orsato | 4 | 2 | - | - | 2 |
| Markus Schmidt | 5 | 2 | - | - | 2.5 |
| Daniel Schlager | 6 | 2 | - | - | 3 |
| Bastian Dankert | 7 | 2 | - | - | 3.5 |
| Sascha Stegemann | 9 | 2 | - | - | 4.5 |
| Anasthasios Sidiropoulos | 1 | 1 | - | - | 1 |
| Orel Grinfeld | 1 | 1 | - | - | 1 |
| Massimiliano Irrati | 1 | 1 | - | - | 1 |
| Adrien Jaccottet | 1 | 1 | - | - | 1 |
| Michael Oliver | 1 | 1 | - | - | 1 |
| Paul Tierney | 1 | 1 | - | - | 1 |
| Huseyin Gocek | 1 | 1 | - | - | 1 |
| Artyom Kuchin | 1 | 1 | - | - | 1 |
| Georgi Kabakov | 1 | 1 | - | - | 1 |
| Florian Badstubner | 2 | 1 | - | - | 2 |
| Ovidiu Hategan | 2 | 1 | - | - | 2 |
| Aleksey Kulbakov | 2 | 1 | - | - | 2 |
| Anthony Taylor | 2 | 1 | - | - | 2 |
| Damir Skomina | 2 | 1 | - | - | 2 |
| Andreas Ekberg | 2 | 1 | - | - | 2 |
| Tobias Welz | 3 | 1 | - | - | 3 |
| Guido Winkmann | 3 | 1 | - | - | 3 |
| Frank Willenborg | 3 | 1 | - | - | 3 |
| Danny Desmond Makkelie | 4 | 1 | - | - | 4 |
| Benjamin Cortus | 5 | 1 | - | - | 5 |
| Patrick Ittrich | 6 | 1 | - | - | 6 |
| Manuel Grafe | 6 | 1 | - | - | 6 |
| Felix Zwayer | 7 | 1 | - | - | 7 |
| Sven Jablonski | 7 | 1 | - | - | 7 |
| Robert Hartmann | 7 | 1 | - | - | 7 |
| Daniel Siebert | 9 | 1 | - | - | 9 |
| Tobias Stieler | 10 | 1 | - | - | 10 |
P = Matches played,
C = Cards .