| Colón beat Olimpo 2-0 (H) on 9 Nov 2005 |
| Olimpo beat GyE La Plata 2-1 (H) on 11 Sep 2005 |
| GyE La Plata beat Instituto Córdoba 1-0 (A) on 8 Oct 2005 |
| Instituto Córdoba beat San Lorenzo 2-0 (H) on 25 Sep 2005 |
| San Lorenzo beat Boca Juniors 3-2 (H) on 7 Sep 2005 |
| Boca Juniors beat Gimnasia de Jujuy 4-1 (H) on 7 Aug 2005 |
| Gimnasia de Jujuy beat Argentinos Juniors 2-1 (A) on 15 Oct 2005 |
| Argentinos Juniors beat Vélez Sársfield 1-0 (A) on 13 Aug 2005 |
| Vélez Sársfield beat Tiro Federal 1-0 (H) on 10 Sep 2005 |
| Tiro Federal beat Lanús 2-0 (A) on 22 Oct 2005 |
| Lanús beat Quilmes 1-0 (A) on 16 Oct 2005 |
| Quilmes beat Arsenal 3-1 (A) on 28 Aug 2005 |
| Arsenal beat River Plate 1-0 (H) on 11 Sep 2005 |
| River Plate beat Independiente 3-1 (H) on 2 Oct 2005 |
| Independiente beat Newell's Old Boys 2-0 (H) on 5 Oct 2005 |
| Newell's Old Boys beat Rosario Central 2-1 (H) on 6 Nov 2005 |
| Rosario Central beat Racing Club 1-0 (A) on 2 Oct 2005 |
| Racing Club beat Estudiantes 3-1 (H) on 7 Sep 2005 |
| Estudiantes beat Banfield 2-0 (H) on 4 Oct 2005 |
| Banfield beat Colón 2-0 (H) on 18 Sep 2005 |
HWC: Thick arrows show the earliest chain of wins that passes through every team and returns to its start.