In addition to BK Ydun, 50 other teams from 11 different countries do play in Boys 12. They are divided into 8 different groups, whereof BK Ydun can be found in Group 5 together with RK Rugvica, IK Nord, Önnereds HK 2, Stenungsunds HK 1, IFK Ystad and OV Helsingborg. BK Ydun also participated in Boys 11 during Partille Cup 2023. They reached the 1/4 Final in B11 A-Play-off, but lost it against Heliopolis SC 1 with 12-15.