In addition to Siam Youth FC, 207 other teams from 36 different countries played in Boys 15. They were divided into 52 different groups, whereof Siam Youth FC could be found in Group 18 together with IFK Lidingö FK, FC Linköping City and FK Lillehammer 2. Siam Youth FC continued to Play off B after reaching 3:rd place in Group 18. In the playoff they made it to 1/4 Final, but lost it against Dalby GIF with 0-2. In the Final, Brazilian FC won over Runar, IL and became the winner of Play off B in Boys 15.