| U21 EURO Qualifiers 2017/2018 - Appearances as Referee |  |
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| 01/09/2017 | Cyprus | - | Malta | 2:1 | 4 | - | - |
| 23/03/2018 | Albania | - | Slovakia | 2:3 | 7 | - | - |
| U21 EURO Qualifiers 2017/2018 - Appearances as Referee | |
|
|
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| 01/09/2017 | Cyprus | - | Malta | 2:1 | 4 | - | - |
| 23/03/2018 | Albania | - | Slovakia | 2:3 | 7 | - | - |
| Complete name: | Stefan Apostolov |
| Born: | 28/02/1988 |
| Place of birth: |
Bulgaria |
| Nationality: |
Bulgaria |