Here are the recommended routes to the Stadion An der Alten Försterei, via the Spindlersfeld station where away fans should travel from.
From Central Station with S9 in the direction of the airport until Baumschulenweg. Fans can go with S47 to Spindlersfeld and make the final leg by foot.
From Schönefeld Airport with S45/S9 in the direction of Südkreuz/Spandau until Schöneweide. Then until Spindlersfeld with S47. Away supporters can travel from Spindlersfeld to the stadium by foot.