| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Ronny Cueva |
|
1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 |
| Nazareno Arasa |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Hernán Heras |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Diego Ulloa |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Paraguay