Pedzisa mutsara unotevera: Haustov akaita chikwata chake chokutanga cheEstonia paMitambo yeOlympic yeZhizha ya2004 muAthens. Akakwanisa kupinda mumakwikwi maviri ekushambira nekuwana B-standard yekupinda nguva ye23.08 (50 m freestyle) uye 50.42 (100 m freestyle). Mu
100 m freestyle, Haustov akamhanya kunzvimbo yechitanhatu pane yechishanu kupisa uye makumi matatu neshanu yakazara ne0.35 yechipiri kumashure kweFinland Matti Rajakylä munguva ye51.02. Muchiitiko chake chechipiri, 50 m freestyle, Haustov akaisa nguva yake yakanakisisa yemasekondi 23.52, asi akapedza kupisa kwechitanhatu kusvika pakupedzisira uye makumi mana nemapfumbamwe zvachose ne 0.02 yechipiri shure kweChinese Taipei's Wang Shao-an.