| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Martin Aleksandrov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Angel Angelov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Atanas Dimitrov |
|
1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| Martin Stoymenov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Nikolay Yordanov |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
