| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Ivo Andreev |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Georgi Davidov |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mihael Pavlov |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Denislav Stalev |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
