| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Ivo Andreev |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Krasen Georgiev |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Ivaylo Nenkov |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Stanimir Trenchev |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
