| U21 EURO Qualifiers 2019/2020 - Appearances as Referee |  |
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| 09/09/2019 | Albania | - | Austria | 0:4 | 4 | - | - |
| 04/09/2020 | Estonia | - | Poland | 0:6 | 4 | - | - |
| U21 EURO Qualifiers 2019/2020 - Appearances as Referee | |
|
|
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| 09/09/2019 | Albania | - | Austria | 0:4 | 4 | - | - |
| 04/09/2020 | Estonia | - | Poland | 0:6 | 4 | - | - |
| Complete name: | Petri Juhani Viljanen |
| Born: | 00/00/1987 |
| Place of birth: |
Finland |
| Nationality: |
Finland |