| Europa League Qual. 2019/2020 - Appearances as Referee |  |
 |
 |
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| 25/07/2019 | AZ Alkmaar | - | BK Häcken | 0:0 | 3 | - | - |
| 08/08/2019 | Feyenoord | - | Dinamo Tbilisi | 4:0 | 5 | 1 | - |
| 22/08/2019 | FK Astana | - | BATE Borisov | 3:0 | 4 | - | - |
| Europa League Qual. 2019/2020 - Appearances as Referee | |
|
|
||||
| 25/07/2019 | AZ Alkmaar | - | BK Häcken | 0:0 | 3 | - | - |
| 08/08/2019 | Feyenoord | - | Dinamo Tbilisi | 4:0 | 5 | 1 | - |
| 22/08/2019 | FK Astana | - | BATE Borisov | 3:0 | 4 | - | - |
| Complete name: | Sergey Boyko |
| Born: | 30/06/1977 |
| Place of birth: |
Ukraine |
| Nationality: |
Ukraine |