In addition to FC Ajax - Tallinn, 137 other teams from 26 different countries played in Boys 13. They were divided into 34 different groups, whereof FC Ajax - Tallinn could be found in Group 5 together with Stryn TIL, Blumenthaler SV and Svartviks IF 1. FC Ajax - Tallinn continued to Play off B after reaching 3:rd place in Group 5. In the playoff they made it to 1/16 Final, but lost it against KFV Segeberg with 0-13. In the Final, KFV Segeberg won over IFK Lidingö 1 and became the winner of Play off B in Boys 13. FC Ajax - Tallinn also participated in Boys 12 during Gothia Cup 2017. They reached the 1/32 Final in B12 Play off A, but lost it against V. Frölunda IF with 2-9.