In addition to HSC Haltern-Sythen, 109 other teams from 13 different countries played in Girls 15. They were divided into 18 different groups, whereof HSC Haltern-Sythen could be found in Group 2 together with IR 1, IK Baltichov 2, BK Heid 2, Ull/Kisa IL 1 and Haslum IL. HSC Haltern-Sythen continued to B-Play-off after reaching 6:th place in Group 2. In the playoff they made it to 1/32 Final, but lost it against Dicken with 6-12. In the Final, Årvoll IL 1 won over Lilleström HK 1 and became the winner of B-Play-off in Girls 15.