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In addition to the two Önnereds teams, 102 other teams from 10 different countries played in Girls 15. They were divided into 17 different groups, whereof Önnereds HK 2 could be found in Group 17 together with Ranheim IL 1, Ystads IF, HIFK Damhandboll, Tvis Håndbold 2 and Eskilstuna Guif 1. Önnereds HK 2 continued to B-Play-off after reaching 5:th place in Group 17. In the playoff they made it to 1/8 Final, but lost it against Gökstens BK with 8-16. In the Final, Lilleström HK 1 won over Kärra HF and became the winner of B-Play-off in Girls 15.