| Copa Libertadores 2003 - Appearances as Referee |  |
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 |
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| 18/02/2003 | Peñarol | - | Grêmio Porto Alegre | 2:2 | 6 | - | - |
| 25/04/2003 | Boca Juniors | - | Paysandu - PA | 0:1 | 3 | - | 3 |
| 05/06/2003 | Santos FC | - | Independiente Medellín | 1:0 | 6 | - | - |
| Copa Libertadores 2003 - Appearances as Referee | |
|
|
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| 18/02/2003 | Peñarol | - | Grêmio Porto Alegre | 2:2 | 6 | - | - |
| 25/04/2003 | Boca Juniors | - | Paysandu - PA | 0:1 | 3 | - | 3 |
| 05/06/2003 | Santos FC | - | Independiente Medellín | 1:0 | 6 | - | - |
| Complete name: | Carlos Arecio Amarilla Demarqui |
| Born: | 26/10/1970 |
| Place of birth: |
Asunción, 
Paraguay |
| Nationality: |
Paraguay |
| Height: | 183 cm |
| Weight: | 87 kg |