 The 2004 Campeonato Carioca had two matches played between Flamengo and Fluminense.On February 1, Flamengo won by 4-3, after Fluminense scored 3-1 in the first half.On February 21, Flamengo defeated Fluminense 3-2, which gave Flamengo the Taça Guanabara title of that year.