Mezue ahịrịokwu na-esonụ: Ngouabi gbara asọmpi naanị na
100 m freestyle ụmụ nwoke na 2000 Summer Olympics na Sydney. Ọ natara ebe a na-ahụ maka ụwa niile site na FINA, na oge ntinye nke 59.50. Ọ gbara ndị ọzọ na-egwu mmiri isii na okpomọkụ nke abụọ, gụnyere Ragi Edde dị afọ iri na ise nke Lebanon na Dawood Youssef nke Bahrain. O wepụrụ onwe ya n'ọkwa nke isii na 1:00.39, ihe fọrọ nke nta ka ọ bụrụ nke abụọ n'okpuru ụkpụrụ mbata ya na 6.84 sekọnd n'azụ onye ndu Gregory Arkhurst nke Côte d'Ivoire. Ngouabi enweghị ike ịga n'ihu na ọkara ikpeazu, ebe ọ nọ na iri isii na asatọ n'ozuzu na prelims.