| U20 World Cup 2013 Turkey - Appearances as Referee |  |
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 |
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| 24/06/2013 | Portugal | - | South Korea | 2:2 | 1 | - | - |
| 03/07/2013 | Croatia | - | Chile | 0:2 | 4 | - | - |
| U20 World Cup 2013 Turkey - Appearances as Referee | |
|
|
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| 24/06/2013 | Portugal | - | South Korea | 2:2 | 1 | - | - |
| 03/07/2013 | Croatia | - | Chile | 0:2 | 4 | - | - |
| Complete name: | Walter Alexander López Castellanos |
| Born: | 25/09/1980 |
| Place of birth: |
Guatemala |
| Nationality: |
Guatemala |