Ada FC was the only club from Serbia that had teams playing during Gothia Cup 2013. They participated with one team in Boys 13. In addition to Ada FC, 122 other teams from 23 different countries played in Boys 13. They were divided into 30 different groups, whereof Ada FC could be found in Group 17 together with JSSL Arsenal Singapore, Västerviks FF and IF Warta 2. Ada FC continued to Play off A after reaching 1:st place in Group 17. In the playoff they made it to 1/4 Final, but lost it against Hammarby IF with 1-2. In the Final, IFK Stocksund won over CEF 18 Tucuman and became the winner of Play off A in Boys 13. Ada FC comes from Beograd which lies approximately 1600 km from Göteborg, where Gothia Cup takes place.