| 1. Round | 04/04/2021 | Urawa Red Diamonds [U18] | - | Aomori Yamada High School [U18] | 0:4 | ||||
| 2. Round | 11/04/2021 | Urawa Red Diamonds [U18] | - | Ryutsu Keizai University [U18] | 1:2 |  |
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| 3. Round | 18/04/2021 | Ichiritsu Funabashi High School [U18] | - | Urawa Red Diamonds [U18] | 0:0 | ||||
| 4. Round | 25/04/2021 | Urawa Red Diamonds [U18] | - | Shimizu S-Pulse [U18] | 0:3 | ||||
| 5. Round | 02/05/2021 | Yokohama FC [U18] | - | Urawa Red Diamonds [U18] | 2:2 | ||||
| 7. Round | 23/05/2021 | Urawa Red Diamonds [U18] | - | Yokohama F. Marinos [U18] | 2:5 | ||||
| 8. Round | 26/06/2021 | FC Tokyo [U18] | - | Urawa Red Diamonds [U18] | 1:0 | ||||
| 9. Round | 03/10/2021 | Urawa Red Diamonds [U18] | - | Omiya Ardija [U18] | 1:0 |
Japan