| 11. Journée | 08.07.2023 | Riseisha High School [U18] | - | Yokohama FC [U18] | 2:3 |  |
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| 8. Journée | 27.08.2023 | Yokohama FC [U18] | - | Yonago North High School [U18] | 2:1 | ||||
| 12. Journée | 02.09.2023 | Vissel Kobe [U18] | - | Yokohama FC [U18] | 5:2 | ||||
| 14. Journée | 18.09.2023 | Sanfrecce Hiroshima [U18] | - | Yokohama FC [U18] | 3:0 | ||||
| 15. Journée | 24.09.2023 | Yokohama FC [U18] | - | Higashi Fukuoka High School [U18] | 3:1 | ||||
| 16. Journée | 01.10.2023 | Yokohama FC [U18] | - | Sagan Tosu [U18] | 2:1 | |
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| 17. Journée | 08.10.2023 | Júbilo Iwata [U18] | - | Yokohama FC [U18] | 1:0 | ||||
| 18. Journée | 15.10.2023 | Yonago North High School [U18] | - | Yokohama FC [U18] | 1:2 | |
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| 20. Journée | 19.11.2023 | Yokohama FC [U18] | - | Kamimura Gakuen [U18] | 5:3 | |
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| 21. Journée | 26.11.2023 | Nagoya Grampus [U18] | - | Yokohama FC [U18] | 2:1 | |
Japon