| juliol del 202612 de jul. |  First League | Spartak Kostroma 3–1 KAMAZRegular Season - 1 | V |
| 19 de jul. | First League | FC Sochi 0–2Spartak KostromaRegular Season - 2 | V |
| 25 de jul. | First League | Tekstilshchik 0–0Spartak KostromaRegular Season - 3 | E |
| agost del 202601 d’ag. | First League | Spartak Kostroma2–2 EniseyRegular Season - 4 | E |
| 09 d’ag. | First League | Ska-khabarovsk 07:00Spartak KostromaRegular Season - 5 | — |
| 17 d’ag. | First League | Spartak Kostroma18:30 FC UFARegular Season - 6 | — |
| 19 d’ag. | First League | Spartak Kostroma17:00 UralRegular Season - 7 | — |
| 22 d’ag. | First League | Torpedo Moskva 17:00Spartak KostromaRegular Season - 8 | — |
| 29 d’ag. | First League | Spartak Kostroma17:00 Rotor VolgogradRegular Season - 9 | — |
| setembre del 202605 de set. | First League | Chelyabinsk 17:00Spartak KostromaRegular Season - 10 | — |
| 12 de set. | First League | Spartak Kostroma17:00 FK NeftekhimikRegular Season - 11 | — |
| 17 de set. | First League | Volga Ulyanovsk 17:00Spartak KostromaRegular Season - 12 | — |
| octubre del 202610 d’oct. | First League | Arsenal Tula 17:00Spartak KostromaRegular Season - 13 | — |
| 17 d’oct. | First League | Spartak Kostroma17:00 LeningradetsRegular Season - 14 | — |
| 24 d’oct. | First League | Shinnik Yaroslavl 17:00Spartak KostromaRegular Season - 15 | — |
| 31 d’oct. | First League | Veles 17:00Spartak KostromaRegular Season - 16 | — |
| novembre del 202607 de nov. | First League | Spartak Kostroma17:00 Nizhny NovgorodRegular Season - 17 | — |
| 21 de nov. | First League | KAMAZ17:00Spartak KostromaRegular Season - 18 | — |
| 25 de nov. | First League | FC UFA17:00Spartak KostromaRegular Season - 19 | — |
| 28 de nov. | First League | Spartak Kostroma17:00ChelyabinskRegular Season - 20 | — |
| desembre del 202605 de des. | First League | Spartak Kostroma17:00Ska-khabarovskRegular Season - 21 | — |
| març del 202706 de març | First League | Spartak Kostroma17:00Arsenal TulaRegular Season - 22 | — |
| 13 de març | First League | Spartak Kostroma17:00FC SochiRegular Season - 23 | — |
| 20 de març | First League | Ural17:00Spartak KostromaRegular Season - 24 | — |
| abril del 202703 d’abr. | First League | Rotor Volgograd17:00Spartak KostromaRegular Season - 25 | — |
| 10 d’abr. | First League | Spartak Kostroma17:00Shinnik YaroslavlRegular Season - 26 | — |
| 14 d’abr. | First League | Nizhny Novgorod17:00Spartak KostromaRegular Season - 27 | — |
| 17 d’abr. | First League | Spartak Kostroma17:00Torpedo MoskvaRegular Season - 28 | — |
| 24 d’abr. | First League | FK Neftekhimik17:00Spartak KostromaRegular Season - 29 | — |
| maig del 202701 de maig | First League | Spartak Kostroma17:00VelesRegular Season - 30 | — |
| 08 de maig | First League | Leningradets17:00Spartak KostromaRegular Season - 31 | — |
| 15 de maig | First League | Spartak Kostroma17:00Volga UlyanovskRegular Season - 32 | — |
| 22 de maig | First League | Enisey17:00Spartak KostromaRegular Season - 33 | — |
| 29 de maig | First League | Spartak Kostroma17:00TekstilshchikRegular Season - 34 | — |
