| Copa Libertadores 2001 - Appearances as Referee |  |
 |
 |
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| 05/03/2001 | São Caetano - SP | - | Cruz Azul | 1:1 | - | - | - |
| 10/04/2001 | Nacional | - | Deportes Concepción | 2:0 | 5 | - | - |
| 14/05/2001 | Rosario Central | - | Cobreloa | 1:1 | - | - | 5 |
| Copa Libertadores 2001 - Appearances as Referee | |
|
|
||||
| 05/03/2001 | São Caetano - SP | - | Cruz Azul | 1:1 | - | - | - |
| 10/04/2001 | Nacional | - | Deportes Concepción | 2:0 | 5 | - | - |
| 14/05/2001 | Rosario Central | - | Cobreloa | 1:1 | - | - | 5 |
| Complete name: | Carlos Arecio Amarilla Demarqui |
| Born: | 26/10/1970 |
| Place of birth: |
Asunción, 
Paraguay |
| Nationality: |
Paraguay |
| Height: | 183 cm |
| Weight: | 87 kg |