In addition to Rotenburger SV, 134 other teams from 27 different countries played in Boys 18. They were divided into 33 different groups, whereof Rotenburger SV 1 could be found in Group 26 together with KF Prizren Spor 1, Florø SK and Karlslunds IF HFK. Rotenburger SV 1 continued to Play off B after reaching 4:th place in Group 26. In the playoff they made it to 1/16 Final, but lost it against KF Gjakova 2 with 3-5. In the Final, Örgryte IS won over FC Rueil Malmaison and became the winner of Play off B in Boys 18. Rotenburger SV also participated in Boys 18 during Gothia Cup 2012. They reached the 1/32 Final in B18 Slutspel B, but lost it against Bollnäs GIF with 2-3.