Kostkas K.E. was one of four clubs from Spain that had teams playing during Gothia Cup 2013. They participated with one team in Boys 14. In addition to Kostkas K.E., 182 other teams from 31 different countries played in Boys 14. They were divided into 45 different groups, whereof Kostkas K.E. could be found in Group 30 together with Athletic FC, Aalborg Chang 2 and Partille IF. Kostkas K.E. continued to Play off A after reaching 2:nd place in Group 30. In the playoff they made it to 1/32 Final, but lost it against Tynecastle Football Club with 0-4. In the Final, NK KRŠKO won over ASIOP Apacint and became the winner of Play off A in Boys 14. Kostkas K.E. comes from Rio Deba 27 Bajo which lies approximately 1900 km from Göteborg, where Gothia Cup takes place.