In addition to FC Rueil Malmaison, 134 other teams from 27 different countries played in Boys 18. They were divided into 33 different groups, whereof FC Rueil Malmaison could be found in Group 12 together with Qviding FIF, Vara SK and KFC Zwarte Leeuw. FC Rueil Malmaison made it to Play off B after reaching 3:rd place in Group 12. Once in the playoff they made it all the way to the Final, but lost it against Örgryte IS with 0-3. Thereby FC Rueil Malmaison finished second in B18 Play off B during Gothia Cup 2013. FC Rueil Malmaison also participated in Boys 18 during Gothia Cup 2012. They reached the 1/32 Final in B18 Slutspel A, but lost it against KF Feronikeli with 3-4.