| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Braulio da Silva Machado |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Nicolás Gamboa |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Cristián Garay |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Piero Maza |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| António Nobre |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Fernando Vejar |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
