He is on the books of Helsingor and wears shirt number 24. His main role on the pitch is Defender. His stronger foot is Right.

His latest transfer saw him join Helsingor from Helsingor U19 via on 2024-07-26.

Across the Danish 2nd Division 2024-2025, sebastian slettegaard appeared in 21 matches and averaged 0 tackles, 0 interceptions, 0 clearances, and 0 blocked shots per game.