In 2000, Porto competed in the Copa João Havelange's Green Module, which was the season's equivalent to the Campeoanato Brasileiro's third level, and was eliminated in the first level. In 2003, Porto won the Campeonato Pernambucano Second Level, beating Serrano, Centro Limoeirense and Barreiros in the final four group stage. In 2004, the club competed again in the Campeonato Brasileiro Série C, but was eliminated in the third stage by Treze. In 2006, Porto was eliminated in the Campeonato Brasileiro Série C's second stage. In 2007, the club competed again in the Campeonato Brasileiro Série C, and again was eliminated in the second stage.