| 4. Round | 23/04/2023 | Yokohama FC [U18] | - | Sanfrecce Hiroshima [U18] | 1:1 | ||||
| 7. Round | 21/05/2023 | Yokohama FC [U18] | - | Júbilo Iwata [U18] | 3:3 | ||||
| 9. Round | 25/06/2023 | Kamimura Gakuen [U18] | - | Yokohama FC [U18] | 2:2 |  |
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| 10. Round | 02/07/2023 | Yokohama FC [U18] | - | Nagoya Grampus [U18] | 0:2 | ||||
| 11. Round | 08/07/2023 | Riseisha High School [U18] | - | Yokohama FC [U18] | 2:3 | ||||
| 8. Round | 27/08/2023 | Yokohama FC [U18] | - | Yonago North High School [U18] | 2:1 | ||||
| 12. Round | 02/09/2023 | Vissel Kobe [U18] | - | Yokohama FC [U18] | 5:2 | ||||
| 15. Round | 24/09/2023 | Yokohama FC [U18] | - | Higashi Fukuoka High School [U18] | 3:1 | |
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| 16. Round | 01/10/2023 | Yokohama FC [U18] | - | Sagan Tosu [U18] | 2:1 | ||||
| 17. Round | 08/10/2023 | Júbilo Iwata [U18] | - | Yokohama FC [U18] | 1:0 | ||||
| 13. Round | 08/11/2023 | Yokohama FC [U18] | - | Shizuoka Gakuen [U18] | 2:1 | ||||
| 20. Round | 19/11/2023 | Yokohama FC [U18] | - | Kamimura Gakuen [U18] | 5:3 |
Japan