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In addition to Lillestrøm SK, 173 other teams from 24 different countries played in Boys 14. They were divided into 43 different groups, whereof Lillestrøm SK could be found in Group 39 together with TA Rennes, SG Borken e.V. and FC Djursholm. Lillestrøm SK continued to Play off A after reaching 2:nd place in Group 39. In the playoff they made it to 1/64 Final, but lost it against Pequeninos do Jockey A with 3-4. In the Final, IF Brommapojkarna 1 won over CD Inter Vista Alegre and became the winner of Play off A in Boys 14. Lillestrøm SK also participated in Boys 13 during Gothia Cup 2018. They reached the 1/32 Final in B13 Play off A, but lost it against Phoenix Football Academy with 1-2.