In addition to the two Kärra teams, 108 other teams from 14 different countries played in Girls 13. They were divided into 18 different groups, whereof Kärra HF 2 could be found in Group 6 together with Vorup FB 4, Ajax Köpenhamn 2, H 71, HK Aranäs 2, H43 Lund 2 and Oppsal IF 1. Kärra HF 2 continued to B-Play-off after reaching 5:th place in Group 6. In the playoff they made it to 1/8 Final, but lost it against AEH Les Franqueses del Vallès with 7-14. In the Final, AEH Les Franqueses del Vallès won over BK Heid 1 and became the winner of B-Play-off in Girls 13. Kärra HF also participated in Girls 12 during Partille Cup 2018. They reached the 1/16 Final in G12 A-Play-off, but lost it against IK Sävehof 5 with 8-9.