In addition to Real Sociedad Cuauhtemoc, 61 other teams from 12 different countries played in Girls 18. They were divided into 15 different groups, whereof Real Sociedad Cuauhtemoc could be found in Group 9 together with Rapid Athene, Umeå IK FF, Älvsborg FF and F.C. Beirut. Real Sociedad Cuauhtemoc continued to Play off B after reaching 5:th place in Group 9. In the playoff they made it to 1/16 Final, but lost it against Walddörfer SV with 1-3. In the Final, FC Connecticut won over Södra Härene IF and became the winner of Play off B in Girls 18.