In addition to IF Brommapojkarna, 110 other teams from 12 different countries played in Girls 15. They were divided into 27 different groups, whereof IF Brommapojkarna could be found in Group 14 together with IFK Osby, ISA Italia and Eskilsminne IF. IF Brommapojkarna made it to Slutspel A after reaching 1:st place in Group 14. Once in the playoff they won every match inluding the Final against Gamla Upsala SK, which they won with 1-0. Thereby IF Brommapojkarna won the entire Slutspel A in Girls 15 during Gothia Cup 2012.