| Veikkausliiga 2023 - Appearances as Referee |  |
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| 26/08/2023 | Inter Turku | - | FC Lahti | 2:1 | 6 | - | - |
| Veikkausliiga 2023 - Appearances as Referee | |
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| 26/08/2023 | Inter Turku | - | FC Lahti | 2:1 | 6 | - | - |
| Complete name: | Pietu Niinimäki |
| Born: | |
| Place of birth: |
Finland |
| Nationality: |
Finland |