[7] In October 2011, Stockholm became an apprentice member of the Women's Flat Track Derby Association,[8] and it graduated to full membership in December 2012.
Stockholm first qualified for the international WFTDA Division 1 Playoffs in 2015, entering the Dallas tournament as the fifth seed, and finishing in seventh place.
[13] In 2016, Stockholm returned to Division 1 Playoffs, entering the Vancouver tournament as the eighth seed and again finishing in seventh place.
[14] At the 2017 Malmo Division 1 Playoff, Stockholm won their opening game against Terminal City Rollergirls 197-145,[15] but then lost their quarterfinal against Denver Roller Derby, 330-152.
[17] In 2018, Stockholm qualified for the WFTDA Playoff in A Coruña, Spain, finishing out of the medals with a consolation round loss to 2×4 Roller Derby, 208-172.