| 31. Jornada | 04.11.2020 | Giravanz Kitakyushu | - | RB Omiya Ardija | 1:2 | ||||
| 32. Jornada | 08.11.2020 | RB Omiya Ardija | - | Ventforet Kofu | 1:2 | ||||
| 33. Jornada | 11.11.2020 | Montedio Yamagata | - | RB Omiya Ardija | 2:1 | ||||
| 34. Jornada | 15.11.2020 | RB Omiya Ardija | - | Zweigen Kanazawa | 1:0 | ||||
| 35. Jornada | 21.11.2020 | RB Omiya Ardija | - | FC Machida Zelvia | 0:0 | ||||
| 36. Jornada | 25.11.2020 | Thespakusatsu Gunma | - | RB Omiya Ardija | 1:2 | ||||
| 38. Jornada | 02.12.2020 | RB Omiya Ardija | - | Ehime FC | 3:3 | ||||
| 39. Jornada | 06.12.2020 | Júbilo Iwata | - | RB Omiya Ardija | 2:0 | ||||
| 40. Jornada | 13.12.2020 | RB Omiya Ardija | - | Renofa Yamaguchi | 3:1 | ||||
| 41. Jornada | 16.12.2020 | Tokushima Vortis | - | RB Omiya Ardija | 1:0 | ||||
| 42. Jornada | 20.12.2020 | RB Omiya Ardija | - | Albirex Niigata | 3:1 |
Japón