| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Georgi Davidov |
|
1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| Dimo Dimov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Radoslav Gidzhenov |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Georgi Kabakov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Kristiyan Kolev |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Vladimir Valkov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
