| 1. Round | 30/06/2023 | Club Tijuana [U18] | - | Pumas UNAM [U18] | 0:1 | ||||
| 2. Round | 09/07/2023 | Pumas UNAM [U18] | - | Mazatlán FC [U18] | 2:1 | ||||
| 3. Round | 16/07/2023 | CF Pachuca [U18] | - | Pumas UNAM [U18] | 3:2 | ||||
| 4. Round | 18/08/2023 | Pumas UNAM [U18] | - | Deportivo Toluca [U18] | 1:0 | ||||
| 5. Round | 22/08/2023 | FC Juárez [U18] | - | Pumas UNAM [U18] | 1:1 | ||||
| 6. Round | 27/08/2023 | Pumas UNAM [U18] | - | UANL Tigres [U18] | 4:2 | ||||
| 8. Round | 17/09/2023 | Pumas UNAM [U18] | - | Atlético San Luis [U18] | 3:0 | ||||
| 9. Round | 22/09/2023 | Puebla FC [U18] | - | Pumas UNAM [U18] | 0:1 | ||||
| 10. Round | 30/09/2023 | CF América [U18] | - | Pumas UNAM [U18] | 3:2 | ||||
| 11. Round | 04/10/2023 | Pumas UNAM [U18] | - | Gallos Blancos [U18] | 1:0 | ||||
| 12. Round | 07/10/2023 | Cruz Azul [U18] | - | Pumas UNAM [U18] | 1:2 |  |
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| 13. Round | 22/10/2023 | Pumas UNAM [U18] | - | CF Monterrey [U18] | 1:0 | ||||
| 14. Round | 27/10/2023 | Club Necaxa [U18] | - | Pumas UNAM [U18] | 1:1 | ||||
| 15. Round | 31/10/2023 | Club León [U18] | - | Pumas UNAM [U18] | 1:4 | ||||
| 16. Round | 05/11/2023 | Pumas UNAM [U18] | - | Atlas Guadalajara [U18] | 3:1 |
Mexico