Mezue ahịrịokwu na-esonụ: Haustov mere ya mbụ Estonian otu na 2004 Summer Olympics na Athens. Ọ tozuru oke maka ihe omume igwu mmiri abụọ site na inweta oge ntinye B-nkịtị nke 23.08 (50 m freestyle) na 50.42 (100 m freestyle). N'ime
Na 100 m freestyle, Haustov gbara ọsọ gaa n'ọnọdụ nke isii na okpomọkụ nke ise na nke iri atọ na ise n'ozuzu site na 0.35 nke abụọ n'azụ Matti Rajakylä nke Finland na oge nke 51.02. N'ihe omume nke abụọ ya, 50 m freestyle, Haustov setịpụrụ oge kachasị mma nke 23.52 sekọnd, mana gbara okirikiri nke isii ruo ebe ikpeazụ na nke iri anọ na itoolu n'ozuzu site na 0.02 nke abụọ n'azụ Chinese Taipei's Wang Shao-an.