In addition to Arna-Bjørnar, 110 other teams from 14 different countries played in Girls 15. They were divided into 27 different groups, whereof Arna-Bjørnar could be found in Group 1 together with Tranås FF, Unik FK and Gimonäs Umeå IF. Arna-Bjørnar continued to Play off A after reaching 1:st place in Group 1. In the playoff they made it to 1/16 Final, but lost it against Lake Norman with 7-8. In the Final, Team Odense Q won over Boo FF and became the winner of Play off A in Girls 15.