| 3. Jornada | 02.03.2025 | Roasso Kumamoto | - | RB Omiya Ardija | 0:4 | ||||
| 6. Jornada | 23.03.2025 | RB Omiya Ardija | - | Mito HollyHock | 2:0 |  |
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| 7. Jornada | 30.03.2025 | Tokushima Vortis | - | RB Omiya Ardija | 1:0 | ||||
| 8. Jornada | 05.04.2025 | RB Omiya Ardija | - | Oita Trinita | 2:2 | ||||
| 10. Jornada | 20.04.2025 | FC Imabari | - | RB Omiya Ardija | 0:0 | ||||
| 12. Jornada | 29.04.2025 | Iwaki FC | - | RB Omiya Ardija | 2:1 | ||||
| 13. Jornada | 03.05.2025 | RB Omiya Ardija | - | Kataller Toyama | 2:2 | ||||
| 14. Jornada | 06.05.2025 | JEF United Chiba | - | RB Omiya Ardija | 1:2 | ||||
| 17. Jornada | 08.06.2025 | RB Omiya Ardija | - | Ehime FC | 1:1 | ||||
| 19. Jornada | 15.06.2025 | V-Varen Nagasaki | - | RB Omiya Ardija | 3:3 | |
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| 20. Jornada | 21.06.2025 | RB Omiya Ardija | - | Sagan Tosu | 0:0 |
Nigeria