In addition to Onsala BK, 126 other teams from 33 different countries played in Boys 13. They were divided into 31 different groups, whereof Onsala BK could be found in Group 31 together with SG LTW Leezen, South Dartmoor CC and Egernførde UF. Onsala BK continued to Slutspel A after reaching 2:nd place in Group 31. In the playoff they made it to 1/32 Final, but lost it against IFK Hässleholm with 0-4. In the Final, CEF 18 Tucuman won over Club Reunion and became the winner of Slutspel A in Boys 13.