With FK Budućnost (Podgorica), FK Sutjeska (Nikšić) and FK Arsenal (Tivat), Lovćen was a member of the first official football competition after World War II - 1946 Montenegrin Republic League. FK Lovćen finished as a second team and gained an opportunity to participate in the qualifiers for the inaugural season of Yugoslav First League, but didn't succeed. In the first leg, Lovćen won against Makedonija Skopje "(3:0)", and in the second they eliminated Borac Banja Luka "(5:1, 5:1)". In the last qualifier for the First League, Lovćen lost against Metalac Beograd "(0:2, 2:6)".