| U21 Friendlies 2021 - Appearances as Referee |  |
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| 26/05/2021 | Ukraine | - | Azerbaijan | 0:1 | 5 | - | - |
| U21 Friendlies 2021 - Appearances as Referee | |
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| 26/05/2021 | Ukraine | - | Azerbaijan | 0:1 | 5 | - | - |
| Complete name: | Sergey Boyko |
| Born: | 30/06/1977 |
| Place of birth: |
Ukraine |
| Nationality: |
Ukraine |