| U20 World Cup 2015 New Zealand - Appearances as Referee |  |
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 |
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| 31/05/2015 | Uruguay | - | Serbia | 1:0 | 1 | - | - |
| 05/06/2015 | Austria | - | Argentina | 0:0 | 2 | - | - |
| U20 World Cup 2015 New Zealand - Appearances as Referee | |
|
|
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| 31/05/2015 | Uruguay | - | Serbia | 1:0 | 1 | - | - |
| 05/06/2015 | Austria | - | Argentina | 0:0 | 2 | - | - |
| Complete name: | Ryuji Sato |
| Born: | 16/04/1977 |
| Place of birth: |
Japan |
| Nationality: |
Japan |