 Lucau joined than on 1 January 2009 on a six month loan from his club CS Sedan to LB Châteauroux.He played in the second half of the 2008/2009 season only four games for LB Châteauroux in the Ligue 2 and returned to CS Sedan Ardennes.After his return played for his club CS Sedan Ardennes just 3 games and was in summer 2010 released from his club.