In 1935, after gaining success upon beating names like the Italian Attilio and the Brazilian Bogma, Euclyes took part in the first international wrestling championship held in Brazil, winning after submitting the veteran Kutter.
This rule gave the advantage to Yano, who won when his second attempted hip throw made Tatu take a bad fall and get his shoulder injured, turning an easy prey.
Three years later, Hatem participated in the Copa Mundial Benito Valladares, where the winner would face French wrestling champion Charles Ulsemer.
[6] Hatem continued moving through the land, taking part in an elite tournament in São Paulo where he would meet opponents like Richard Schikat, Tom Hanley, Henry Piers and Kola Kwariani.
Unfortunately for Hatem, the tournament's ruleset forbade chokes, and he found himself losing matches by pinfall, but still the Brazilian press praised his effort and performance.
[7] In 1942, Mestre Tatu returned to Porto Alegre to answer the challenge written down by George Gracie, a Brazilian jiu-jitsu exponent who had also trained in catch wrestling under Hatem's teachers.
The same year, Tatu was pitted against Russian superheavyweight Leon Falkenstein, nicknamed "Homem Montanha" ("Mountain Man") for his 330 ib and large height.