In addition to IK Sirius FK, 24 other teams from 11 different countries played in Gothia Puma Trophy (B17). They were divided into 6 different groups, whereof IK Sirius FK could be found in Group 4 together with Avai FC, GD Estoril Praia and IFK Göteborg. IK Sirius FK made it to Play off B after reaching 3:rd place in Group 4. Once in the playoff they won every match inluding the Final against Halmstads BK, which they won with 2-0. Thereby IK Sirius FK won the entire Play off B in Gothia Puma Trophy (B17) during Gothia Cup 2019. IK Sirius FK also participated in Gothia Trophy (B17) during Gothia Cup 2018. They reached the 1/8 Final in B17E Play off A, but lost it against Audax with 0-1.