In addition to HSC Haltern-Sythen, 113 other teams from 19 different countries do play in Boys 16. They are divided into 18 different groups, whereof HSC Haltern-Sythen can be found in Group 5 together with Neistin, GOG, Lugi HF 1, Ski IL 1 and Önnereds HK 2. HSC Haltern-Sythen also participated in Boys 15 during Partille Cup 2023. They reached the 1/32 Final in B15 B-Play-off, but lost it against Helvetia with 16-23.