| 2. Round | 09/04/2023 | Kamimura Gakuen [U18] | - | Júbilo Iwata [U18] | 5:2 | ||||
| 3. Round | 16/04/2023 | Otsu High School [U18] | - | Kamimura Gakuen [U18] | 3:5 | ||||
| 9. Round | 25/06/2023 | Kamimura Gakuen [U18] | - | Yokohama FC [U18] | 2:2 | ||||
| 10. Round | 02/07/2023 | Higashi Fukuoka High School [U18] | - | Kamimura Gakuen [U18] | 3:2 |  |
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| 12. Round | 03/09/2023 | Kamimura Gakuen [U18] | - | Sagan Tosu [U18] | 3:1 | ||||
| 13. Round | 10/09/2023 | Júbilo Iwata [U18] | - | Kamimura Gakuen [U18] | 3:0 | ||||
| 14. Round | 16/09/2023 | Yonago North High School [U18] | - | Kamimura Gakuen [U18] | 1:0 | ||||
| 15. Round | 24/09/2023 | Kamimura Gakuen [U18] | - | Otsu High School [U18] | 0:0 | ||||
| 20. Round | 19/11/2023 | Yokohama FC [U18] | - | Kamimura Gakuen [U18] | 5:3 | |
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| 21. Round | 26/11/2023 | Kamimura Gakuen [U18] | - | Higashi Fukuoka High School [U18] | 2:1 | ||||
| 19. Round | 29/11/2023 | Riseisha High School [U18] | - | Kamimura Gakuen [U18] | 0:2 | ||||
| 22. Round | 03/12/2023 | Sanfrecce Hiroshima [U18] | - | Kamimura Gakuen [U18] | 3:2 | |
Japan