| 1. Round | 01/04/2023 | Yokohama FC [U18] | - | Vissel Kobe [U18] | 1:1 | ||||
| 3. Round | 16/04/2023 | Higashi Fukuoka High School [U18] | - | Yokohama FC [U18] | 0:1 | ||||
| 4. Round | 23/04/2023 | Yokohama FC [U18] | - | Sanfrecce Hiroshima [U18] | 1:1 | ||||
| 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 | ||||
| 8. Round | 27/08/2023 | Yokohama FC [U18] | - | Yonago North High School [U18] | 2:1 | ||||
| 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 | ||||
| 18. Round | 15/10/2023 | Yonago North High School [U18] | - | Yokohama FC [U18] | 1:2 | ||||
| 20. Round | 19/11/2023 | Yokohama FC [U18] | - | Kamimura Gakuen [U18] | 5:3 |
Japan