| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Dimitar Dimitrov |
|
1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
| Krasen Georgiev |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Radoslav Gidzhenov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Vladimir Valkov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Martin Velikov |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
