| 8. Jornada | 27.06.2021 | Sagan Tosu [Sub 18] | - | Otsu High School [Sub 18] | 1:1 | ||||
| 5. Jornada | 18.07.2021 | Kyoto Sanga FC [Sub 18] | - | Sagan Tosu [Sub 18] | 3:1 | ||||
| 15. Jornada | 17.10.2021 | Sagan Tosu [Sub 18] | - | Júbilo Iwata [Sub 18] | 7:0 |  |
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| 12. Jornada | 12.12.2021 | Cerezo Osaka [Sub 18] | - | Sagan Tosu [Sub 18] | 2:2 |
Japón