In 2000, Bulent Ulusoy won the Euro welterweight title. At the Olympics 2000 he lost the quarterfinal to Vitalie Gruşac. In 2001 he competed at the world championships at junior middleweight and beat Jean Pascal and lost to Marian Simion 19:20.
Ulusoy qualified for the 2004 Summer Olympics by ending up in first place at the 4th AIBA European 2004 Olympic Qualifying Tournament in Baku, Azerbaijan. At the Olympics 2004 he lost in the men's welterweight division to Sherzod Husanov.
He won the 2005 Mediterranean Games. At the European Championships 2006 he lost his first match against Russian favorite Andrey Balanov.