In addition to RK Tresnjevka, 135 other teams from 15 different countries played in Girls 15. They were divided into 22 different groups, whereof RK Tresnjevka could be found in Group 13 together with Kungälvs HK 1, Kolbotn IL 1, Ullern IF 2, Hörning Håndbold 2, Åsane/Flaktveit 1 and OIF Handboll 1. RK Tresnjevka continued to A-Play-off after reaching 1:st place in Group 13. In the playoff they made it to 1/8 Final, but lost it against Team Kisakallio with 10-11. In the Final, Skanderborg HB 1 won over Rødekro-Aabenraa Håndbold and became the winner of A-Play-off in Girls 15.