| Copa Sudamericana 2012 - Appearances as Assistant | ||||
| 09/08/2012 | Oriente Petrolero | - | Guaraní | 1:2 |
| 30/08/2012 | Deportivo Quito | - | Club Aurora | 2:1 |
| 19/09/2012 | Nacional | - | Liga de Loja | 1:2 |
| 30/10/2012 | Grêmio Porto Alegre | - | Millonarios | 1:0 |
| Copa Sudamericana 2012 - Appearances as Assistant | ||||
| 09/08/2012 | Oriente Petrolero | - | Guaraní | 1:2 |
| 30/08/2012 | Deportivo Quito | - | Club Aurora | 2:1 |
| 19/09/2012 | Nacional | - | Liga de Loja | 1:2 |
| 30/10/2012 | Grêmio Porto Alegre | - | Millonarios | 1:0 |
| Complete name: | Sergio Mauricio Román Retamal |
| Born: | 11/02/1969 |
| Place of birth: |
Chile |
| Nationality: |
Chile |