Mezue ahịrịokwu na-esonụ: Onye otu ndị otu ọkpọ ọkpọ nke mba Turkey kemgbe 1988, Ercument's amateur career record was 175-25. Ihe ndị dị mkpa gụnyere ịbụ onye mmeri nke ụwa na-eto eto na-eto eto na Istanbul na 1994, nke atọ na 1997 World Amateur Boxing Championships na Budapest na 1997 na nke abụọ na
1998 European Amateur Boxing Championships. O di nwute na mmerụ ahụ na World Amateur Championship na Houston na 1999 mere ka ọ ghara ịhọrọ ya maka Egwuregwu Olympic 2000. Ọ nwere ọmarịcha ọrụ ọkachamara na mmeri 8 na mmeri 2.