Situation: Heidenheim celebrated a successful European Cup debut on Thursday, winning the first leg of the Conference League playoffs at BK Häcken 2-1.

Statistics: In the Bundesliga The duel has never taken place before. The two teams have faced each other 18 times in the 2. Bundesliga. FC St. Pauli won eight games, Heidenheim won seven times and three games ended in a draw.

Staff: Heidenheim coach Schmidt is likely to be Sweden rotate back and bring all the key players in from the start.

Special features: After 13 years, second division champions FC St. Pauli are returning to the Bundesliga. Alexander Blessin is sitting on the bench for the successful coach Fabian Hürzeler, who has left. It is his Bundesliga debut.