In addition to Onsala BK, 131 other teams from 15 different countries will play in Girls 15. They are divided into 32 different groups, whereof Onsala BK can be found in Group 27 together with Sunderby SK, IF Limhamn/Bunkeflo 1 and Southampton Town United. Onsala BK also participated in Girls 14 during Gothia Cup 2023. They reached the 1/16 Final in G14 Play off A, but lost it against Breidablik 1 with 0-1.