In addition to the two Önnereds teams, 118 other teams from 15 different countries played in Girls 14. They were divided into 20 different groups, whereof Önnereds HK 1 could be found in Group 2 together with Silkeborg-Voel KFUM, Lödde Vikings HK 1, Ski IL 2, AGF Håndbold 2 and Gjövik HK 1. Önnereds HK 1 continued to A-Play-off after reaching 2:nd place in Group 2. In the playoff they made it to 1/8 Final, but lost it against AGF Håndbold 1 with 5-9. In the Final, AGF Håndbold 1 won over Team Kisakallio and became the winner of A-Play-off in Girls 14. Önnereds HK also participated in Girls 13 during Partille Cup 2018. They reached the 1/16 Final in G13 A-Play-off, but lost it against Lugi HF 2 with 11-13.