In addition to HSC Haltern-Sythen, 113 other teams from 19 different countries played in Boys 16. They were divided into 18 different groups, whereof HSC Haltern-Sythen could be found in Group 5 together with Neistin, GOG, Lugi HF 1, Ski IL 1 and Önnereds HK 2. HSC Haltern-Sythen continued to B-Play-off after reaching 5:th place in Group 5. In the playoff they made it to 1/32 Final, but lost it against Ski IL 2 with 15-16. In the Final, Skånela IF won over Lugi HF 2 and became the winner of B-Play-off in Boys 16. 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.