| Conference League Qual. 2021/2022 - Matches comme arbitre |  |
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 |
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| 29.07.2021 | Connah's Quay Nomads | - | KF Prishtina | 4:2 | 6 | - | - |
| 12.08.2021 | KF Teuta Durrës | - | Shamrock Rovers | 0:2 | 5 | - | - |
| Conference League Qual. 2021/2022 - Matches comme arbitre | |
|
|
||||
| 29.07.2021 | Connah's Quay Nomads | - | KF Prishtina | 4:2 | 6 | - | - |
| 12.08.2021 | KF Teuta Durrës | - | Shamrock Rovers | 0:2 | 5 | - | - |
| Nom complet: | Petri Juhani Viljanen |
| Né le: | 00.00.1987 |
| Né à: |
Finlande |
| Nationalité: |
Finlande |