In addition to the three Torslanda teams, 147 other teams from 15 different countries played in Girls 15. They were divided into 25 different groups, whereof Torslanda HK 3 could be found in Group 1 together with SD Brasil, Hjortshöj Egå IF, Nit-Hak HK 1, IFK Nyköping and Lilleström HK. Torslanda HK 3 continued to A-Play-off after reaching 3:rd place in Group 1. In the playoff they made it to 1/32 Final, but lost it against IL Gneist with 13-16. In the Final, Bording KFUM won over Samara Region and became the winner of A-Play-off in Girls 15. Torslanda HK also participated in Girls 14 during Partille Cup 2017. They reached the 1/8 Final in G14 A-Play-off, but lost it against Oppsal IF with 7-12.