Önnereds HK 1

In addition to the two Önnereds teams, 73 other teams from 14 different countries played in Boys 18. They were divided into 12 different groups, whereof Önnereds HK 1 could be found in Group 1 together with HC Eynatten-Raeren, Lödde Vikings HK, BG Copenhagen, Aarhus Handball 1, Baekkelaget SK 1 and Leipzig, SC DHfK. Önnereds HK 1 continued to A-Play-off after reaching 1:st place in Group 1. In the playoff they made it to 1/16 Final, but lost it against Rødekro-Aabenraa Håndbold with 25-28. In the Final, Skanderborg HB won over Enköpings HF and became the winner of A-Play-off in Boys 18. Önnereds HK also participated in Boys 18 during Partille Cup 2018. They reached the 1/8 Final in B18 A-Play-off, but lost it against Lugi HF 1 with 15-27.