He currently plays for Slavia Praha U19, wearing the number 13 shirt. He plays primarily as a Defender. His current market value is estimated at 100K €.

His most recent move was a from SK Slavia Prague U19 to SK Slavia Prague U20 on 2025-12-31.

Throughout the UEFA Youth League 2025-2026, Štěpán Chaluš featured in 4 matches, averaging 1 tackles, 0.3 interceptions, and 2.3 clearances per game, while blocking 0 shots per game.