| Emperor's Cup 2021 - Appearances as Referee |  |
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 |
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| 09/06/2021 | Yokohama F. Marinos | - | Honda FC | 3:5 pso | 1 | - | - |
| Emperor's Cup 2021 - Appearances as Referee | |
|
|
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| 09/06/2021 | Yokohama F. Marinos | - | Honda FC | 3:5 pso | 1 | - | - |
| Complete name: | Hirokazu Otsubo |
| Born: | 07/12/1979 |
| Place of birth: |
Japan |
| Nationality: |
Japan |