In addition to the two Torslanda teams, 10 other teams from 6 different countries played in Girls 21. They were divided into 2 different groups, whereof Torslanda HK 2 could be found in Group 1 together with Zimbabwe National Team (OS), Team X-Treem, USA National Team (OS), IK Sävehof and Kungälvs HK. Torslanda HK 2 made it to B-Play-off after reaching 4:th place in Group 1. Once in the playoff they won every match inluding the Final against Kungälvs HK, which they won with 15-10. Thereby Torslanda HK 2 won the entire B-Play-off in Girls 21 during Partille Cup 2013.