In addition to Oppsal IF, 110 other teams from 12 different countries played in Girls 15. They were divided into 27 different groups, whereof Oppsal IF could be found in Group 20 together with P18 IK 2, IF Böljan and Korskrogens IK. Oppsal IF continued to Slutspel B after reaching 4:th place in Group 20. In the playoff they made it to 1/32 Final, but lost it against Mölnlycke IF with 0-3. In the Final, Kristianstad DFF won over Skara FC and became the winner of Slutspel B in Girls 15.