in 1963, the club joined federação amapaense de desportos. in 1964, ypiranga disputed its first competition, the second division of the amapaense amateur football championship, and managed by francisco sales de lima (nicknamed "chicão"), the club won the competition, after defeating independente 6–3 in the final, at augusto antunes stadium. the champion team was composed of the following players: manguinha, lindoval, barata, guaracy and suzico, adauto and ary, peninha, artur, narciso and almeida. the reservers: elcio, horácio, otílio, gadelha, lery, trombone, tônati, sabá balieiro, and joaquim neto.