| 6. Jornada | 21.08.2018 | Pumas UNAM [Sub 20] | - | Gallos Blancos [Sub 20] | 0:3 |  |
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| 7. Jornada | 25.08.2018 | CF América [Sub 20] | - | Pumas UNAM [Sub 20] | 3:0 | |
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| 8. Jornada | 01.09.2018 | Club León [Sub 20] | - | Pumas UNAM [Sub 20] | 1:0 |  |
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| 10. Jornada | 21.09.2018 | Monarcas Morelia [Sub 20] | - | Pumas UNAM [Sub 20] | 2:1 | ||||
| 11. Jornada | 30.09.2018 | Pumas UNAM [Sub 20] | - | Puebla FC [Sub 20] | 2:0 |
México