| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Richard Vélazquez |
|
3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
| Carlos Galeano |
|
2 | 1 | 0 | 1 | 0 | 1 | 0 | 0 |
| Julio Quintana |
|
2 | 1 | 0 | 1 | 0 | 1 | 0 | 0 |
| Arnaldo Samaniego |
|
2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| Christian Verdún |
|
2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
| Carlos Amarilla |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Enrique Cáceres |
|
1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| Sergio Melgarejo |
|
1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| Jorge Mercado |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
| Ulises Mereles |
|
1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 |
Switzerland