| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Ruddy Buquet | 2 | 2 | - | - | 1 |
| Bobby Madden | 3 | 2 | - | - | 1.5 |
| Manuel Grafe | 4 | 2 | - | - | 2 |
| Daniel Siebert | 4 | 2 | - | - | 2 |
| Marco Fritz | 6 | 2 | - | - | 3 |
| Donatas Rumsas | 1 | 1 | - | - | 1 |
| Aleksey Nikolaev | 1 | 1 | - | - | 1 |
| Irfan Peljito | 1 | 1 | - | - | 1 |
| Jochen Drees | 1 | 1 | - | - | 1 |
| Leontios Trattou | 1 | 1 | - | - | 1 |
| Paolo Tagliavento | 1 | 1 | - | - | 1 |
| Pawel Gil | 1 | 1 | - | - | 1 |
| Anthony Taylor | 1 | 1 | - | - | 1 |
| Ivan Kruzliak | 2 | 1 | - | - | 2 |
| Harm Osmers | 2 | 1 | - | - | 2 |
| Damir Skomina | 2 | 1 | - | - | 2 |
| Frank Willenborg | 2 | 1 | - | - | 2 |
| Radu Petrescu | 2 | 1 | - | - | 2 |
| Georgi Kabakov | 2 | 1 | - | - | 2 |
| Slavko Vincic | 2 | 1 | - | - | 2 |
| Ovidiu Hategan | 3 | 1 | - | - | 3 |
| Patrick Ittrich | 3 | 1 | - | - | 3 |
| Ali Palabiyik | 3 | 1 | - | - | 3 |
| Sergey Karasev | 4 | 1 | - | - | 4 |
| Felix Zwayer | 7 | 1 | - | - | 7 |
P = Matches played,
C = Cards .