| 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 | ||||
| 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 | ||||
| 21. Round | 26/11/2023 | Nagoya Grampus [U18] | - | Yokohama FC [U18] | 2:1 |
Japan