| 1. Round | 04/04/2021 | Kyoto Sanga FC [U18] | - | Júbilo Iwata [U18] | 0:1 |  |
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| 2. Round | 11/04/2021 | Júbilo Iwata [U18] | - | Nagoya Grampus [U18] | 1:1 | ||||
| 3. Round | 18/04/2021 | Sanfrecce Hiroshima [U18] | - | Júbilo Iwata [U18] | 0:0 | ||||
| 4. Round | 25/04/2021 | Otsu High School [U18] | - | Júbilo Iwata [U18] | 2:1 | ||||
| 9. Round | 04/07/2021 | Júbilo Iwata [U18] | - | Vissel Kobe [U18] | 2:1 | ||||
| 7. Round | 17/07/2021 | East Fukuoka High School [U18] | - | Júbilo Iwata [U18] | 1:0 | ||||
| 14. Round | 09/10/2021 | Gamba Osaka [U18] | - | Júbilo Iwata [U18] | 1:0 | ||||
| 8. Round | 23/10/2021 | Cerezo Osaka [U18] | - | Júbilo Iwata [U18] | 2:1 | ||||
| 12. Round | 30/10/2021 | Júbilo Iwata [U18] | - | Sanfrecce Hiroshima [U18] | 0:1 | |
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| 11. Round | 03/11/2021 | Nagoya Grampus [U18] | - | Júbilo Iwata [U18] | 0:1 | ||||
| 5. Round | 06/11/2021 | Júbilo Iwata [U18] | - | Gamba Osaka [U18] | 0:5 | ||||
| 13. Round | 11/12/2021 | Júbilo Iwata [U18] | - | Otsu High School [U18] | 2:1 |
Japan