In addition to Onsala BK, 209 other teams from 26 different countries played in Boys 14. They were divided into 52 different groups, whereof Onsala BK could be found in Group 14 together with ZA'BA FC, Kristianstad BoIS 1 and Mariebergs SK 1. Onsala BK continued to Play off B after reaching 3:rd place in Group 14. In the playoff they made it to 1/16 Final, but lost it against FK Lillehammer 1 with 0-1. In the Final, Landvetter IS won over Leiknir and became the winner of Play off B in Boys 14. Onsala BK also participated in Boys 13 during Gothia Cup 2013. They reached the 1/32 Final in B13 Play off B, but lost it against Nol/Ahlafors with 0-1.