He currently plays for Fortuna Koln, wearing the number 27 shirt. He plays primarily as a Forward. His current market value is estimated at 50K .

His most recent move was a from Dusseldorf II to Fortuna Koln on 2025-07-01.

In the German Regionalliga 2025-2026 season, K. Brechmann scored 1 goals and provided 0 assists across 23 appearances, averaging 0 goals per game with 0 shots attempted and 0 on target.