He currently plays for Helsingor, wearing the number 24 shirt. He plays primarily as a Defender.

His most recent move was a from Helsingor U19 to Helsingor on 2024-07-26.

Throughout the Danish 2nd Division 2024-2025, sebastian slettegaard featured in 21 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.