| Schiedsrichter | Land |  |
S | U | N |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Georgi Davidov |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Georgi Dimitrov |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Nikola Popov |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
