| 4. Jornada | 14.08.2021 | CF Monterrey [Sub 18] | - | CF Pachuca [Sub 18] | 1:2 |  |
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| 5. Jornada | 18.08.2021 | Cruz Azul [Sub 18] | - | CF Monterrey [Sub 18] | 1:1 | ||||
| 6. Jornada | 21.08.2021 | CF Monterrey [Sub 18] | - | Deportivo Guadalajara [Sub 18] | 2:2 | ||||
| 7. Jornada | 27.08.2021 | Club Tijuana [Sub 18] | - | CF Monterrey [Sub 18] | 0:0 | ||||
| 8. Jornada | 11.09.2021 | Atlas Guadalajara [Sub 18] | - | CF Monterrey [Sub 18] | 4:0 | ||||
| 9. Jornada | 19.09.2021 | CF Monterrey [Sub 18] | - | UANL Tigres [Sub 18] | 0:1 | ||||
| 13. Jornada | 16.10.2021 | CF Monterrey [Sub 18] | - | Club León [Sub 18] | 0:1 | |
México