In addition to the two Önnereds teams, 38 other teams from 10 different countries played in Boys 11. They were divided into 6 different groups, whereof Önnereds HK 2 could be found in Group 5 together with Vorup FB, Kärra HF 1, Norrköpings HK, IK Sävehof 3, Dong Xing and RK Zagreb. Önnereds HK 2 made it to B-Play-off after reaching 4:th place in Group 5. Once in the playoff they made it all the way to the Final, but lost it against IK Sävehof 8 with 10-13. Thereby Önnereds HK 2 finished second in B11 B-Play-off during Partille Cup 2013.