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In addition to Triangelns IK, 88 other teams from 12 different countries played in Girls 16. They were divided into 22 different groups, whereof Triangelns IK could be found in Group 3 together with Älvängens IK, HooGee and Shakopee FF. Triangelns IK made it to Play off B after reaching 3:rd place in Group 3. Once in the playoff they made it all the way to the Final, but lost it against Jitex Mölndal BK with 0-2. Thereby Triangelns IK finished second in G16 Play off B during Gothia Cup 2019. Triangelns IK also participated in Girls 15 during Gothia Cup 2018. They reached the 1/8 Final in G15 Play off B, but lost it against IF Team Hudik with 1-2.