In addition to FC Ajax - Tallinn, 141 other teams from 26 different countries played in Boys 13. They were divided into 35 different groups, whereof FC Ajax - Tallinn could be found in Group 7 together with Östansbo IS, TV Wellingholzhausen and Hovås-Billdal IF. FC Ajax - Tallinn continued to Play off B after reaching 4:th place in Group 7. In the playoff they made it to 1/32 Final, but lost it against Södertälje, FK with 0-4. In the Final, Syrianska FC won over TSV Neudorf-Bornstein and became the winner of Play off B in Boys 13. FC Ajax - Tallinn also participated in Boys 12 during Gothia Cup 2013. They reached the 1/32 Final in B12 Play off B, but lost it against Shilla FC 1 with 1-11.