| 13. Jornada | 02.10.2021 | Ryutsu Keizai University [Sub 18] | - | Kashiwa Reysol [Sub 18] | 1:1 | ||||
| 14. Jornada | 10.10.2021 | Kashiwa Reysol [Sub 18] | - | Shimizu S-Pulse [Sub 18] | 2:2 | ||||
| 10. Jornada | 31.10.2021 | Kashiwa Reysol [Sub 18] | - | Yokohama FC [Sub 18] | 2:0 | ||||
| 11. Jornada | 06.11.2021 | Yokohama F. Marinos [Sub 18] | - | Kashiwa Reysol [Sub 18] | 3:2 | ||||
| 12. Jornada | 13.11.2021 | Kashiwa Reysol [Sub 18] | - | Omiya Ardija [Sub 18] | 5:0 |  |
|||
| 16. Jornada | 21.11.2021 | Kashiwa Reysol [Sub 18] | - | FC Tokyo [Sub 18] | 1:1 | ||||
| 17. Jornada | 28.11.2021 | Kashiwa Reysol [Sub 18] | - | Aomori Yamada High School [Sub 18] | 1:4 | |
|||
| 18. Jornada | 05.12.2021 | Ichiritsu Funabashi High School [Sub 18] | - | Kashiwa Reysol [Sub 18] | 3:2 |
Japón