| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Carlos Bayas |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| René Marín |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Mario Romero |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Jaime Sánchez |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
