| U20 World Cup 2001 Argentina - Appearances as Referee |  |
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 |
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| 17/06/2001 | Egypt | - | Jamaica | 0:0 | 3 | - | - |
| 27/06/2001 | France | - | Germany | 3:2 | 8 | - | 1 |
| U20 World Cup 2001 Argentina - Appearances as Referee | |
|
|
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| 17/06/2001 | Egypt | - | Jamaica | 0:0 | 3 | - | - |
| 27/06/2001 | France | - | Germany | 3:2 | 8 | - | 1 |
| Complete name: | Guido Augustin Aros Alvarado |
| Born: | 23/11/1965 |
| Place of birth: |
Chile |
| Nationality: |
Chile |