| 1. Round | 21/07/2018 | Club Tijuana [U15] | - | Cruz Azul [U15] | 1:2 |  |
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| 3. Round | 04/08/2018 | Puebla FC [U15] | - | Club Tijuana [U15] | 1:3 | |
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| 4. Round | 11/08/2018 | Club Tijuana [U15] | - | CD Veracruz [U15] | 4:1 | ||||
| 5. Round | 18/08/2018 | Lobos BUAP [U15] | - | Club Tijuana [U15] | 1:3 | ||||
| 6. Round | 25/08/2018 | Club Tijuana [U15] | - | CF América [U15] | 3:4 | |
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| 7. Round | 01/09/2018 | Pumas UNAM [U15] | - | Club Tijuana [U15] | 0:0 | ||||
| 8. Round | 08/09/2018 | Club Tijuana [U15] | - | CF Pachuca [U15] | 1:3 | |
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| 9. Round | 15/09/2018 | Deportivo Toluca [U15] | - | Club Tijuana [U15] | 0:2 | ||||
| 10. Round | 22/09/2018 | Cruz Azul [U15] | - | Club Tijuana [U15] | 1:0 | ||||
| 12. Round | 06/10/2018 | Club Tijuana [U15] | - | Puebla FC [U15] | 2:0 | |
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| 13. Round | 13/10/2018 | CD Veracruz [U15] | - | Club Tijuana [U15] | 3:0 | |
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| 15. Round | 27/10/2018 | CF América [U15] | - | Club Tijuana [U15] | 5:2 | |
Mexico