| 15. Jornada | 29.08.2020 | V-Varen Nagasaki | - | RB Omiya Ardija | 1:0 | ||||
| 16. Jornada | 02.09.2020 | RB Omiya Ardija | - | Kyoto Sanga FC | 1:0 | ||||
| 17. Jornada | 05.09.2020 | RB Omiya Ardija | - | Fagiano Okayama | 1:1 |  |
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| 18. Jornada | 09.09.2020 | FC Ryūkyū | - | RB Omiya Ardija | 5:0 | ||||
| 19. Jornada | 13.09.2020 | RB Omiya Ardija | - | Montedio Yamagata | 1:1 | ||||
| 9. Jornada | 16.09.2020 | RB Omiya Ardija | - | Avispa Fukuoka | 0:1 | ||||
| 20. Jornada | 20.09.2020 | FC Machida Zelvia | - | RB Omiya Ardija | 0:0 | ||||
| 22. Jornada | 26.09.2020 | Kyoto Sanga FC | - | RB Omiya Ardija | 2:4 | ||||
| 23. Jornada | 30.09.2020 | RB Omiya Ardija | - | Mito HollyHock | 2:1 | ||||
| 24. Jornada | 03.10.2020 | Tokyo Verdy | - | RB Omiya Ardija | 3:1 | ||||
| 25. Jornada | 10.10.2020 | RB Omiya Ardija | - | Tochigi SC | 0:0 | ||||
| 26. Jornada | 14.10.2020 | RB Omiya Ardija | - | JEF United Chiba | 0:0 | ||||
| 28. Jornada | 21.10.2020 | Matsumoto Yamaga | - | RB Omiya Ardija | 1:1 |
Noruega
Marruecos