| Veikkausliiga 2021 Championship - Appearances as Referee |  |
 |
 |
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| 27/10/2021 | HJK Helsinki | - | Helsingfors IFK | 1:0 | 1 | - | - |
| 31/10/2021 | Inter Turku | - | SJK Seinäjoki | 2:5 | 7 | - | - |
| Veikkausliiga 2021 Championship - Appearances as Referee | |
|
|
||||
| 27/10/2021 | HJK Helsinki | - | Helsingfors IFK | 1:0 | 1 | - | - |
| 31/10/2021 | Inter Turku | - | SJK Seinäjoki | 2:5 | 7 | - | - |
| Complete name: | Petri Juhani Viljanen |
| Born: | 00/00/1987 |
| Place of birth: |
Finland |
| Nationality: |
Finland |