Kammala jumla mai zuwa: A Buenos Aires 1965, Sanguineti ya ci 6.5/11 don kammala na huɗu, kuma ya lashe gasar zakarun Argentina ta 1965 tare da mai ban sha'awa 16/21. Mar del Plata 1965 ya sake kasancewa mai karfi, tare da Najdorf, Leonid Stein, da Yuri Averbakh a halarta, kuma Sanguineti kawai zai iya gudanar da matsayi na takwas tare da 8.5/15. A shekara mai zuwa a Mar del Plata ya ci 7.5/15 don gamawa a matsayi na bakwai. Don da
Havana 1966 Olympiad, Sanguineti ya sake kasancewa a kan jirgin hudu don Argentina, kuma ya yi kyau sosai tare da 11/15. Argentina ta gama ta biyar.