| 2. Round | 08/04/2023 | Shohei High School [U18] | - | Kashiwa Reysol [U18] | 1:1 | ||||
| 7. Round | 20/05/2023 | FC Tokyo [U18] | - | Kashiwa Reysol [U18] | 1:1 | ||||
| 8. Round | 17/06/2023 | Kashiwa Reysol [U18] | - | Omiya Ardija [U18] | 2:0 | ||||
| 9. Round | 25/06/2023 | Ryutsu Keizai University [U18] | - | Kashiwa Reysol [U18] | 4:2 | ||||
| 10. Round | 02/07/2023 | Kashiwa Reysol [U18] | - | Kawasaki Frontale [U18] | 2:2 | ||||
| 17. Round | 09/10/2023 | Kashiwa Reysol [U18] | - | FC Tokyo [U18] | 4:1 |
Japan