1. Round | 28/02/2021 | Mito HollyHock | - | Omiya Ardija | 1:2 | ||||
2. Round | 06/03/2021 | Omiya Ardija | - | Ventforet Kofu | 0:2 | ||||
22. Round | 11/07/2021 | V-Varen Nagasaki | - | Omiya Ardija | 1:1 | ||||
24. Round | 09/08/2021 | Albirex Niigata | - | Omiya Ardija | 2:2 | ||||
25. Round | 14/08/2021 | Omiya Ardija | - | Blaublitz Akita | 1:1 | ||||
26. Round | 21/08/2021 | Fagiano Okayama | - | Omiya Ardija | 1:0 | ||||
27. Round | 29/08/2021 | Omiya Ardija | - | Matsumoto Yamaga | 4:0 | ||||
28. Round | 05/09/2021 | Omiya Ardija | - | Tokyo Verdy | 2:1 | ||||
29. Round | 12/09/2021 | Ehime FC | - | Omiya Ardija | 3:3 | ||||
34. Round | 17/10/2021 | JEF United Chiba | - | Omiya Ardija | 2:1 | ||||
36. Round | 30/10/2021 | Omiya Ardija | - | Júbilo Iwata | 1:2 | ||||
37. Round | 03/11/2021 | Kyoto Sanga FC | - | Omiya Ardija | 1:0 | ||||
38. Round | 07/11/2021 | Omiya Ardija | - | Renofa Yamaguchi | 1:2 | ||||
39. Round | 14/11/2021 | Montedio Yamagata | - | Omiya Ardija | 2:2 | ||||
40. Round | 21/11/2021 | Omiya Ardija | - | Mito HollyHock | 1:3 | ||||
41. Round | 28/11/2021 | FC Machida Zelvia | - | Omiya Ardija | 0:0 | ||||
42. Round | 05/12/2021 | Omiya Ardija | - | Thespakusatsu Gunma | 3:1 |