| 2. Round | 29/07/2018 | Pumas UNAM [U20] | - | Club Necaxa [U20] | 1:2 | ||||
| 3. Round | 04/08/2018 | Club Necaxa [U20] | - | Lobos BUAP [U20] | 3:0 |  |
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| 9. Round | 15/09/2018 | Club Necaxa [U20] | - | Cruz Azul [U20] | 2:0 | ||||
| 10. Round | 22/09/2018 | Deportivo Toluca [U20] | - | Club Necaxa [U20] | 2:1 | ||||
| 11. Round | 29/09/2018 | Club Necaxa [U20] | - | Santos Laguna [U20] | 1:3 | ||||
| 14. Round | 27/10/2018 | Club Necaxa [U20] | - | Atlas Guadalajara [U20] | 2:2 | ||||
| 15. Round | 03/11/2018 | CF Pachuca [U20] | - | Club Necaxa [U20] | 2:2 | |
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| 16. Round | 10/11/2018 | Club Necaxa [U20] | - | CF Monterrey [U20] | 1:4 | ||||
| 17. Round | 24/11/2018 | Gallos Blancos [U20] | - | Club Necaxa [U20] | 2:4 |
Mexico