In addition to Walddörfer SV, 224 other teams from 35 different countries played in Boys 15. They were divided into 55 different groups, whereof Walddörfer SV could be found in Group 4 together with Kinna IF, AFK Linköping Orange and Træff SK. Walddörfer SV continued to Play off A after reaching 2:nd place in Group 4. In the playoff they made it to 1/32 Final, but lost it against Onsala BK 1 with 1-2. In the Final, ASIOP Apacinti won over IF Elfsborg and became the winner of Play off A in Boys 15. Walddörfer SV also participated in Boys 14 during Gothia Cup 2015. They reached the 1/64 Final in B14 Play off A, but lost it against Tynecastle Football Club with 0-3.