| 4. Round | 21/03/2021 | Giravanz Kitakyushu | - | Blaublitz Akita | 1:1 | ||||
| 5. Round | 28/03/2021 | Blaublitz Akita | - | Kyoto Sanga FC | 1:0 | ||||
| 6. Round | 04/04/2021 | Matsumoto Yamaga | - | Blaublitz Akita | 3:1 | ||||
| 7. Round | 10/04/2021 | Blaublitz Akita | - | RB Omiya Ardija | 0:0 | ||||
| 9. Round | 21/04/2021 | Zweigen Kanazawa | - | Blaublitz Akita | 2:1 | ||||
| 10. Round | 25/04/2021 | Blaublitz Akita | - | Mito HollyHock | 1:0 | ||||
| 11. Round | 01/05/2021 | Blaublitz Akita | - | Fagiano Okayama | 0:1 |  |
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| 12. Round | 05/05/2021 | V-Varen Nagasaki | - | Blaublitz Akita | 1:2 | ||||
| 13. Round | 09/05/2021 | Blaublitz Akita | - | Júbilo Iwata | 1:1 | ||||
| 14. Round | 15/05/2021 | Ventforet Kofu | - | Blaublitz Akita | 1:0 | ||||
| 15. Round | 19/05/2021 | Blaublitz Akita | - | Renofa Yamaguchi | 1:1 | ||||
| 16. Round | 29/05/2021 | Tokyo Verdy | - | Blaublitz Akita | 3:1 | ||||
| 34. Round | 16/10/2021 | Blaublitz Akita | - | FC Machida Zelvia | 0:2 | ||||
| 35. Round | 23/10/2021 | Albirex Niigata | - | Blaublitz Akita | 1:2 | ||||
| 36. Round | 30/10/2021 | Blaublitz Akita | - | Zweigen Kanazawa | 1:1 | ||||
| 40. Round | 21/11/2021 | Blaublitz Akita | - | Ventforet Kofu | 0:2 | ||||
| 41. Round | 28/11/2021 | Blaublitz Akita | - | Tokyo Verdy | 1:4 |
Japan