| U21 EURO Qualifiers 2021/2022 - Appearances as Referee |  |
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 |
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| 12/10/2021 | Poland | - | San Marino | 3:0 | 2 | - | - |
| U21 EURO Qualifiers 2021/2022 - Appearances as Referee | |
|
|
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| 12/10/2021 | Poland | - | San Marino | 3:0 | 2 | - | - |
| Complete name: | Nikola Popov |
| Born: | 01/02/1983 |
| Place of birth: |
Bulgaria |
| Nationality: |
Bulgaria |