He currently plays for Wiedenbruck, wearing the number 9 shirt. He plays primarily as a Forward. His current market value is estimated at 50K €.

His most recent move was a from Rot-Weiss Oberhausen to Wiedenbruck on 2024-07-01.

In the German Regionalliga 2025-2026 season, Sebastian Mai scored 4 goals and provided 0 assists across 19 appearances, averaging 0.2 goals per game with 0 shots attempted and 0 on target.