In addition to Östers IF, 35 other teams from 11 different countries will play in Gothia Puma Trophy (B17). They are divided into 6 different groups, whereof Östers IF can be found in Group 6 together with Helsingborgs IF, FC Tokyo and FC Dinamo Bucuresti 1948. Östers IF also participated in Gothia Puma Trophy (B17) during Gothia Cup 2023. They reached the 1/8 Final in B17E Play off A, but lost it against Mjällby AIF with 0-2.