 Makore gumi nemaviri mushure mekukwikwidza mumitambo yake yekutanga, Dezillie akakodzera timu yake yechitatu yeBelgium, semunhu ane makore makumi matatu nerimwe, mukirasi yeEurope kumaOlympics ezhizha ra2004 muAthens, nekuisa pakati pevakuru makumi mana uye kugamuchira nzvimbo kubva ku2003 ISAF World ChampionshipsmuCádiz, kuSpain. Dezillie akatanga mutambo wacho zvakanaka zvikuru achitungamirira vamwe vose vaiva muchikepe, asi kukundikana kwechikepe pakati penzira uye kuita zvakaipa mumakwikwi mashomanana okupedzisira kwakamuita kuti asatombokwanisa kuwana menduru uye akazoenda panzvimbo yechigumi neshanu pakupedzisira aine mamakisi 133. 