| 3. Round | 05/08/2018 | Club Tijuana [U20] | - | Club León [U20] | 0:1 | ||||
| 4. Round | 12/08/2018 | Club Tijuana [U20] | - | Cruz Azul [U20] | 1:1 | ||||
| 5. Round | 19/08/2018 | Deportivo Toluca [U20] | - | Club Tijuana [U20] | 3:2 |  |
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| 6. Round | 22/08/2018 | Club Tijuana [U20] | - | Santos Laguna [U20] | 2:1 | ||||
| 8. Round | 01/09/2018 | Club Tijuana [U20] | - | Club Necaxa [U20] | 4:1 | ||||
| 9. Round | 16/09/2018 | Atlas Guadalajara [U20] | - | Club Tijuana [U20] | 1:1 | ||||
| 10. Round | 21/09/2018 | Club Tijuana [U20] | - | CF Pachuca [U20] | 0:2 | |
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| 11. Round | 29/09/2018 | CF Monterrey [U20] | - | Club Tijuana [U20] | 1:1 | |
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| 12. Round | 06/10/2018 | Club Tijuana [U20] | - | Gallos Blancos [U20] | 3:1 | ||||
| 13. Round | 20/10/2018 | CF América [U20] | - | Club Tijuana [U20] | 3:0 | |
Mexico