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In addition to IF Brommapojkarna, 110 other teams from 14 different countries played in Girls 15. They were divided into 27 different groups, whereof IF Brommapojkarna could be found in Group 22 together with SC Nagaland, Åhus IF and Västerås BK30. IF Brommapojkarna continued to Play off A after reaching 1:st place in Group 22. In the playoff they made it to 1/4 Final, but lost it against Team Odense Q with 4-6. In the Final, Team Odense Q won over Boo FF and became the winner of Play off A in Girls 15. IF Brommapojkarna also participated in Girls 14 during Gothia Cup 2018. They reached the Semi final in G14 Play off A, but lost it against Nacka FC with 0-1.