| 9. Round | 25/06/2023 | Ryutsu Keizai University [U18] | - | Kashiwa Reysol [U18] | 4:2 |  |
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| 10. Round | 02/07/2023 | FC Tokyo [U18] | - | Ryutsu Keizai University [U18] | 0:1 | |
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| 11. Round | 09/07/2023 | Ryutsu Keizai University [U18] | - | Omiya Ardija [U18] | 1:2 | ||||
| 13. Round | 10/09/2023 | Ryutsu Keizai University [U18] | - | Kawasaki Frontale [U18] | 0:1 | ||||
| 14. Round | 17/09/2023 | Shoshi High School [U18] | - | Ryutsu Keizai University [U18] | 2:1 | ||||
| 15. Round | 24/09/2023 | Ryutsu Keizai University [U18] | - | Aomori Yamada High School [U18] | 2:3 | ||||
| 16. Round | 30/09/2023 | Shohei High School [U18] | - | Ryutsu Keizai University [U18] | 1:3 | ||||
| 17. Round | 08/10/2023 | Asahikawa Business High School [U18] | - | Ryutsu Keizai University [U18] | 1:2 |
Japan