| 8. Round | 05/04/2025 | RB Omiya Ardija | - | Oita Trinita | 2:2 | ||||
| 11. Round | 25/04/2025 | RB Omiya Ardija | - | Hokkaido Consadole Sapporo | 1:0 | ||||
| 13. Round | 03/05/2025 | RB Omiya Ardija | - | Kataller Toyama | 2:2 | ||||
| 14. Round | 06/05/2025 | JEF United Chiba | - | RB Omiya Ardija | 1:2 | ||||
| 15. Round | 10/05/2025 | RB Omiya Ardija | - | Vegalta Sendai | 3:0 | ||||
| 16. Round | 17/05/2025 | Fujieda MyFC | - | RB Omiya Ardija | 0:1 | ||||
| 18. Round | 31/05/2025 | RB Omiya Ardija | - | Júbilo Iwata | 2:2 |
Japan