| Europa Conference League Qual. 2021/2022 - Appearances as Referee |  |
 |
 |
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| 22/07/2021 | Qarabağ FK | - | FC Ashdod | 0:0 | 3 | - | 1 |
| 05/08/2021 | Rosenborg BK | - | NK Domžale | 6:1 | 3 | - | - |
| 26/08/2021 | HNK Rijeka | - | PAOK Saloniki | 0:2 | 6 | - | - |
| Europa Conference League Qual. 2021/2022 - Appearances as Referee | |
|
|
||||
| 22/07/2021 | Qarabağ FK | - | FC Ashdod | 0:0 | 3 | - | 1 |
| 05/08/2021 | Rosenborg BK | - | NK Domžale | 6:1 | 3 | - | - |
| 26/08/2021 | HNK Rijeka | - | PAOK Saloniki | 0:2 | 6 | - | - |
| Complete name: | Sergey Boyko |
| Born: | 30/06/1977 |
| Place of birth: |
Ukraine |
| Nationality: |
Ukraine |