In addition to IK Sund, 92 other teams from 20 different countries played in Boys 13. They were divided into 15 different groups, whereof IK Sund could be found in Group 2 together with E.C Pinheiros, BK Heid 2, Linje5 1, HSG Jörl-DE Viöl and HC Eynatten-Raeren. IK Sund continued to A-Play-off after reaching 3:rd place in Group 2. In the playoff they made it to 1/32 Final, but lost it against Nordstrand IF 1 with 12-13. In the Final, Team Favrskov Håndbold won over RK Rudar and became the winner of A-Play-off in Boys 13. IK Sund also participated in Boys 12 during Partille Cup 2018. They reached the 1/16 Final in B12 A-Play-off, but lost it against Linje5 Grey with 13-16.