| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Stoyan Denev |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Aleksandar Kostadinov |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Tsvetan Krastev |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Radan Miryanov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Nikola Popov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Ivaylo Stoyanov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Tasko Taskov |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
Brazil