He currently plays for Mikkelin Palloilijat, wearing the number 20 shirt. He plays primarily as a Forward.

His most recent move was a from Mikkelin Palloilijat U19 to Mikkelin Palloilijat on 2024-01-01.

In the Finnish Ykkosliiga 2024 season, oliver hayhanen scored 0 goals and provided 0 assists across 9 appearances, averaging 0 goals per game with 0 shots attempted and 0 on target.