| 11. Round | 08/07/2023 | Riseisha High School [U18] | - | Yokohama FC [U18] | 2:3 |  |
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| 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 | ||||
| 14. Round | 18/09/2023 | Sanfrecce Hiroshima [U18] | - | Yokohama FC [U18] | 3:0 | ||||
| 15. Round | 24/09/2023 | Yokohama FC [U18] | - | Higashi Fukuoka High School [U18] | 3:1 | ||||
| 16. Round | 01/10/2023 | Yokohama FC [U18] | - | Sagan Tosu [U18] | 2:1 | |
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| 17. Round | 08/10/2023 | Júbilo Iwata [U18] | - | Yokohama FC [U18] | 1:0 | ||||
| 18. Round | 15/10/2023 | Yonago North High School [U18] | - | Yokohama FC [U18] | 1:2 | |
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| 20. Round | 19/11/2023 | Yokohama FC [U18] | - | Kamimura Gakuen [U18] | 5:3 | |
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| 21. Round | 26/11/2023 | Nagoya Grampus [U18] | - | Yokohama FC [U18] | 2:1 | |
Japan