| Huracán beat Nueva Chicago 2-0 (H) on 2 Oct 2004 |
| Nueva Chicago beat San Martín Mendoza 3-1 (H) on 25 Sep 2004 |
| San Martín Mendoza beat Godoy Cruz 1-0 (H) on 19 Sep 2004 |
| Godoy Cruz beat Unión de Santa Fe 5-1 (H) on 11 Sep 2004 |
| Unión de Santa Fe beat Defensores de Belgrano 3-0 (H) on 21 Aug 2004 |
| Defensores de Belgrano beat Talleres de Córdoba 3-0 (A) on 19 Sep 2004 |
| Talleres de Córdoba beat Juventud Antoniana 2-0 (H) on 5 Sep 2004 |
| Juventud Antoniana beat El Porvenir Gerli 2-0 (H) on 26 Aug 2004 |
| El Porvenir Gerli beat Defensa y Justicia 3-1 (A) on 25 Sep 2004 |
| Defensa y Justicia beat Racing Córdoba 2-0 (H) on 28 Aug 2004 |
| Racing Córdoba beat Belgrano de Córdoba 2-1 (H) on 18 Sep 2004 |
| Belgrano de Córdoba beat Gimnasia de Jujuy 1-0 (H) on 28 Aug 2004 |
| Gimnasia de Jujuy beat CAI Comodoro Rivadavia 2-1 (A) on 18 Sep 2004 |
| CAI Comodoro Rivadavia beat Ferro Carril Oeste 3-1 (A) on 1 Oct 2004 |
| Ferro Carril Oeste beat Tiro Federal Rosario 1-0 (H) on 18 Sep 2004 |
| Tiro Federal Rosario beat Sarmiento de Junín 4-2 (A) on 28 Aug 2004 |
| Sarmiento de Junín beat Chacarita Juniors 3-2 (A) on 2 Oct 2004 |
| Chacarita Juniors beat Atlético Rafaela 3-0 (A) on 20 Sep 2004 |
| Atlético Rafaela beat San Martín (SJ) 3-1 (H) on 1 Oct 2004 |
| San Martín (SJ) beat Huracán 1-0 (H) on 9 Sep 2004 |
HWC: Thick arrows show the earliest chain of wins that passes through every team and returns to its start.