| Friendlies 2018 - Appearances as Referee |  |
 |
 |
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| 11/09/2018 | South Korea | - | Chile | 0:0 | 3 | - | - |
| 20/11/2018 | Australia | - | Lebanon | 3:0 | 2 | - | - |
| Friendlies 2018 - Appearances as Referee | |
|
|
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| 11/09/2018 | South Korea | - | Chile | 0:0 | 3 | - | - |
| 20/11/2018 | Australia | - | Lebanon | 3:0 | 2 | - | - |
| Complete name: | Ryuji Sato |
| Born: | 16/04/1977 |
| Place of birth: |
Japan |
| Nationality: |
Japan |