| Group B | 19/08/2012 | Real Garcilaso | - | FBC Melgar | 3:0 | ||||
| Group B | 26/08/2012 | FBC Melgar | - | Juan Aurich | 1:0 | ||||
| Group B | 02/09/2012 | León de Huánuco | - | FBC Melgar | 1:1 |  |
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| Group B | 16/09/2012 | FBC Melgar | - | Sport Boys | 5:1 | |
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| Group B | 23/09/2012 | Unión Comercio | - | FBC Melgar | 1:1 | ||||
| Group B | 30/09/2012 | FBC Melgar | - | Universidad Cesar Vallejo | 4:0 | |
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| Group B | 21/10/2012 | FBC Melgar | - | Real Garcilaso | 1:0 | |
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| Group B | 28/10/2012 | Juan Aurich | - | FBC Melgar | 2:0 | ||||
| Group B | 01/11/2012 | FBC Melgar | - | León de Huánuco | 2:0 | ||||
| Group B | 04/11/2012 | Sport Boys | - | FBC Melgar | 1:1 | ||||
| Group B | 08/11/2012 | Alianza Lima | - | FBC Melgar | 0:0 | ||||
| Group B | 11/11/2012 | FBC Melgar | - | Unión Comercio | 3:0 | ||||
| Group B | 25/11/2012 | FBC Melgar | - | Alianza Lima | 2:0 |
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