In addition to the two Önnereds teams, 71 other teams from 16 different countries do play in Boys 13. They are divided into 12 different groups, whereof Önnereds HK 2 can be found in Group 5 together with Linje5, E.C Pinheiros, SG Handball Eidertal, IF Stjernen, Odense 1 and Lugi HF 3. Önnereds HK also participated in Boys 12 during Partille Cup 2023. They reached the 1/8 Final in B12 B-Play-off, but lost it against FFI Håndbold with 9-10.