In addition to the two Nordwest teams, 76 other teams from 13 different countries played in Boys 18. They were divided into 12 different groups, whereof HSG Nordwest 1 could be found in Group 1 together with ATHLOS, Tyresö Handboll, SG Wehrheim/Obernhain, Skanderborg HB 1 and HUBO Handbal. HSG Nordwest 1 continued to A-Play-off after reaching 2:nd place in Group 1. In the playoff they made it to 1/16 Final, but lost it against OV Helsingborg 1 with 17-21. In the Final, GOG 1 won over GOG 2 and became the winner of A-Play-off in Boys 18. HSG Nordwest also participated in Boys 18 during Partille Cup 2023. They reached the 1/16 Final in B18 A-Play-off, but lost it against Skanderborg HB 1 with 10-23.