In May 2018, it was announced that Soukou had signed for 3. Liga side Hansa Rostock on a one-year contract with the option of a further year. He debuted for the club in a 3–0 defeat to Energie Cottbus on 29 July 2018 and scored a brace for the club in his second appearance, a 2–0 win over Eintracht Braunschweig on 3 August. He scored 11 goals in 34 appearances across the 2018–19 season.
