| Semifinal - 27.08.04 | | Amir Khan | Gbr | Serik Yeleuov | Kaz | 40-26 | | Mario Cesar Kindelan Mesa | Cub | Murat Khrachev | Rus | 20-10 |
| Quarterfinal - 24.08.04 | | Serik Yeleuov | Kaz | Domenico Valentino | Ita | 29-23 | | Amir Khan | Gbr | Jong Sub Baik | Kor | TKO round 1 | | Mario Cesar Kindelan Mesa | Cub | Rovshan Huseynov | Aze | 23-11 | | Murat Khrachev | Rus | Sam Rukundo | Uga | 31-18 |
| Round of 16 - 20.08.04 | | Domenico Valentino | Ita | Mohammad Asheri | Irn | 37-18 | | Serik Yeleuov | Kaz | Felix Diaz | Dom | 28-16 | | Amir Khan | Gbr | Dimitar Stilianov | Bgr | 37-21 | | Jong Sub Baik | Kor | Munkh Erdene U. | Mgl | 33-22 | | Rovshan Huseynov | Aze | Vicente Escobedo | USA | 36-18 | | Mario Cesar Kindelan Mesa | Cub | Asghar Ali Shah | Pak | 24-9 | | Sam Rukundo | Uga | Alexander de Jesus | Pue | 24-22 | | Murat Khrachev | Rus | Anthony Little | Aus | TKO round 3 |
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| Round of 32 - 16.08.04 | | Dimitar Stilianov | Bgr | Selcuk Aydin | Tur | 20-11 | | Amir Khan | Gbr | Marios Kaperonis | Gre | TKO round 3 | | Jong Sub Baik | Kor | Gyula Kate | Hun | 30-23 | | Munkh Erdene U. | Mgl | Michael Medor | Mri | 29-23 | | Vicente Escobedo | USA | Jose David Mosquera Mosquera | Col | TKO round 3 | | Rovshan Huseynov | Aze | Bongani Wonderboy Mahlangu | Rsa | 22-14 | | Asghar Ali Shah | Pak | Volodymyr Kravets | Ukr | 21-17 | | Mario Cesar Kindelan Mesa | Cub | Ahmed Sadiq | Nig | TKO round 3 | | Sam Rukundo | Uga | Tahar Tamsamani | Mor | 30-22 | | Alexander de Jesus | Pue | Myke Carvalho | Bra | 39-24 | | Anthony Little | Aus | Taoufik Chobba | Tun | 27-8 | | Murat Khrachev | Rus | Tongzhou Chen | Chn | 40-29 |
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