| League Cup 2021 - Appearances as Referee |  |
 |
 |
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| 06/10/2021 | Urawa Red Diamonds | - | Cerezo Osaka | 1:1 | 3 | - | - |
| League Cup 2021 - Appearances as Referee | |
|
|
||||
| 06/10/2021 | Urawa Red Diamonds | - | Cerezo Osaka | 1:1 | 3 | - | - |
| Complete name: | Ryuji Sato |
| Born: | 16/04/1977 |
| Place of birth: |
Japan |
| Nationality: |
Japan |