| Primera División 2011 Clausura - Appearances as Referee |  |
 |
 |
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| 20/08/2011 | 3 de Febrero | - | Club Rubio Ñu | 1:2 | 3 | - | - |
| 28/08/2011 | General Caballero ZC | - | Guaraní | 2:0 | 4 | - | - |
| Primera División 2011 Clausura - Appearances as Referee | |
|
|
||||
| 20/08/2011 | 3 de Febrero | - | Club Rubio Ñu | 1:2 | 3 | - | - |
| 28/08/2011 | General Caballero ZC | - | Guaraní | 2:0 | 4 | - | - |
| Complete name: | Federico Rios |
| Born: | |
| Place of birth: |
Paraguay |
| Nationality: |
Paraguay |