In addition to Hisingsbacka FC, 134 other teams from 27 different countries played in Boys 18. They were divided into 33 different groups, whereof Hisingsbacka FC could be found in Group 26 together with Colegio San Francisco Javier de Los Vilos, Dänischenhagen/Kiel, MTV and IFK Skövde FK. Hisingsbacka FC continued to Play off A after reaching 1:st place in Group 26. In the playoff they made it to 1/16 Final, but lost it against Team Ted FC with 1-3. In the Final, Kharis Sports Academy won over Greengen FC and became the winner of Play off A in Boys 18. Hisingsbacka FC also participated in Boys 18 during Gothia Cup 2018. They reached the 1/32 Final in B18 Play off A, but lost it against Ag Paraskevi Santa 1 with 1-2.