| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Ivelin Zanev |
|
1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
| Jose Delgado |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Georgi Ginchev |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Ventsislav Mitrev |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
