| 1. Round | 01/04/2023 | Yokohama FC [U18] | - | Vissel Kobe [U18] | 1:1 | ||||
| 2. Round | 09/04/2023 | Shizuoka Gakuen [U18] | - | Yokohama FC [U18] | 3:1 | ||||
| 3. Round | 16/04/2023 | Higashi Fukuoka High School [U18] | - | Yokohama FC [U18] | 0:1 | ||||
| 5. Round | 07/05/2023 | Sagan Tosu [U18] | - | Yokohama FC [U18] | 2:0 | ||||
| 6. Round | 13/05/2023 | Otsu High School [U18] | - | Yokohama FC [U18] | 5:3 | ||||
| 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 | ||||
| 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 | ||||
| 14. Round | 18/09/2023 | Sanfrecce Hiroshima [U18] | - | Yokohama FC [U18] | 3:0 | ||||
| 18. Round | 15/10/2023 | Yonago North High School [U18] | - | Yokohama FC [U18] | 1:2 | ||||
| 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