 In 2005, Italian senior national team coach Carlo Recalcati, added him to Italy's roster for the 2005 FIBA European Championship, and the following year he was a member of the Italian roster at the 2006 FIBA World Championship.He also played at the 2007 FIBA European Championship.During a friendly match between Canada and Italy on August 1, 2009, Mancinelli elbowed Canadian national team player Aaron Doornekamp in the back of the head.