| febrer del 202515 de febr. |  J2 League | Omiya Ardija 2–1 Montedio YamagataRegular Season - 1 | V |
| 22 de febr. | J2 League | Omiya Ardija1–0 Ventforet KofuRegular Season - 2 | V |
| març del 202502 de març | J2 League | Roasso Kumamoto 0–4Omiya ArdijaRegular Season - 3 | V |
| 08 de març | J2 League | Omiya Ardija2–1 Renofa YamaguchiRegular Season - 4 | V |
| 15 de març | J2 League | Sagan Tosu 1–0Omiya ArdijaRegular Season - 5 | D |
| 23 de març | J2 League | Omiya Ardija2–0 Mito HollyhockRegular Season - 6 | V |
| 26 de març |  J.League Cup | Omiya Ardija3–3 Iwaki1st Round | E |
| 30 de març | J2 League | Tokushima Vortis 1–0Omiya ArdijaRegular Season - 7 | D |
| abril del 202505 d’abr. | J2 League | Omiya Ardija2–2 Oita TrinitaRegular Season - 8 | E |
| 13 d’abr. | J2 League | Blaublitz Akita 1–2Omiya ArdijaRegular Season - 9 | V |
| 16 d’abr. | J.League Cup | Omiya Ardija1–3 FC Tokyo2nd Round | D |
| 20 d’abr. | J2 League | Imabari 0–0Omiya ArdijaRegular Season - 10 | E |
| 25 d’abr. | J2 League | Omiya Ardija1–0 Consadole SapporoRegular Season - 11 | V |
| 29 d’abr. | J2 League | Iwaki2–1Omiya ArdijaRegular Season - 12 | D |
| maig del 202503 de maig | J2 League | Omiya Ardija2–2 Kataller ToyamaRegular Season - 13 | E |
| 06 de maig | J2 League | JEF United Chiba 1–2Omiya ArdijaRegular Season - 14 | V |
| 10 de maig | J2 League | Omiya Ardija3–0 Vegalta SendaiRegular Season - 15 | V |
| 17 de maig | J2 League | Fujieda MYFC 0–1Omiya ArdijaRegular Season - 16 | V |
| 25 de maig |  Emperor's Cup | Omiya Ardija0–1 Tsukuba University1st Round | D |
| 31 de maig | J2 League | Omiya Ardija2–2 Jubilo IwataRegular Season - 18 | E |
| juny del 202508 de juny | J2 League | Omiya Ardija1–1 Ehime FCRegular Season - 17 | E |
| 15 de juny | J2 League | V-varen Nagasaki 3–3Omiya ArdijaRegular Season - 19 | E |
| 21 de juny | J2 League | Omiya Ardija0–0Sagan TosuRegular Season - 20 | E |
| 28 de juny | J2 League | Oita Trinita0–0Omiya ArdijaRegular Season - 21 | E |
| juliol del 202505 de jul. | J2 League | Omiya Ardija1–2IwakiRegular Season - 22 | D |
| 12 de jul. | J2 League | Ventforet Kofu1–0Omiya ArdijaRegular Season - 23 | D |
| agost del 202502 d’ag. | J2 League | Kataller Toyama0–2Omiya ArdijaRegular Season - 24 | V |
| 09 d’ag. | J2 League | Omiya Ardija0–1JEF United ChibaRegular Season - 25 | D |
| 17 d’ag. | J2 League | Ehime FC0–3Omiya ArdijaRegular Season - 26 | V |
| 23 d’ag. | J2 League | Omiya Ardija1–0Roasso KumamotoRegular Season - 27 | V |
| 30 d’ag. | J2 League | Consadole Sapporo1–0Omiya ArdijaRegular Season - 28 | D |
| setembre del 202513 de set. | J2 League | Omiya Ardija1–2V-varen NagasakiRegular Season - 29 | D |
| 20 de set. | J2 League | Omiya Ardija2–3ImabariRegular Season - 30 | D |
| 27 de set. | J2 League | Jubilo Iwata3–4Omiya ArdijaRegular Season - 31 | V |
| octubre del 202504 d’oct. | J2 League | Vegalta Sendai1–2Omiya ArdijaRegular Season - 32 | V |
| 18 d’oct. | J2 League | Omiya Ardija1–0Fujieda MYFCRegular Season - 33 | V |
| 26 d’oct. | J2 League | Montedio Yamagata2–2Omiya ArdijaRegular Season - 34 | E |
| novembre del 202502 de nov. | J2 League | Omiya Ardija5–0Blaublitz AkitaRegular Season - 35 | V |
| 09 de nov. | J2 League | Mito Hollyhock0–2Omiya ArdijaRegular Season - 36 | V |
| 23 de nov. | J2 League | Omiya Ardija1–2Tokushima VortisRegular Season - 37 | D |
| 29 de nov. | J2 League | Renofa Yamaguchi3–2Omiya ArdijaRegular Season - 38 | D |
| desembre del 202507 de des. | J2 League | JEF United Chiba4–3Omiya ArdijaSemi-finals | D |
