| març del 202530 de març |  Allsvenskan | IFK Norrkoping 4–3 Osters IFRegular Season - 1 | D |
| abril del 202505 d’abr. | Allsvenskan | Osters IF2–0 BK HackenRegular Season - 2 | V |
| 14 d’abr. | Allsvenskan | Halmstad 1–0Osters IFRegular Season - 3 | D |
| 20 d’abr. | Allsvenskan | Osters IF0–1 AIK StockholmRegular Season - 4 | D |
| 24 d’abr. | Allsvenskan | Djurgardens IF 1–0Osters IFRegular Season - 5 | D |
| 29 d’abr. | Allsvenskan | Malmo FF 2–0Osters IFRegular Season - 6 | D |
| maig del 202504 de maig | Allsvenskan | Osters IF0–3 Hammarby FFRegular Season - 7 | D |
| 11 de maig | Allsvenskan | Osters IF0–1 IF ElfsborgRegular Season - 8 | D |
| 15 de maig | Allsvenskan | IFK Goteborg 0–1Osters IFRegular Season - 9 | V |
| 18 de maig | Allsvenskan | Osters IF1–1 GaisRegular Season - 10 | E |
| 24 de maig | Allsvenskan | IFK Varnamo 1–1Osters IFRegular Season - 11 | E |
| 31 de maig | Allsvenskan | Degerfors IF 1–2Osters IFRegular Season - 12 | V |
| juny del 202528 de juny | Allsvenskan | Osters IF2–2 SiriusRegular Season - 13 | E |
| juliol del 202505 de jul. | Allsvenskan | Osters IF0–1 Mjallby AIFRegular Season - 14 | D |
| 13 de jul. | Allsvenskan | IF Brommapojkarna 2–0Osters IFRegular Season - 15 | D |
| 19 de jul. | Allsvenskan | Osters IF0–2Malmo FFRegular Season - 16 | D |
| 27 de jul. | Allsvenskan | AIK Stockholm0–0Osters IFRegular Season - 17 | E |
| agost del 202503 d’ag. | Allsvenskan | Sirius1–1Osters IFRegular Season - 18 | E |
| 10 d’ag. | Allsvenskan | Osters IF1–1IF BrommapojkarnaRegular Season - 19 | E |
| 17 d’ag. | Allsvenskan | BK Hacken0–2Osters IFRegular Season - 20 | V |
| 25 d’ag. | Allsvenskan | Osters IF1–2IFK NorrkopingRegular Season - 21 | D |
| 31 d’ag. | Allsvenskan | Hammarby FF4–0Osters IFRegular Season - 22 | D |
| setembre del 202514 de set. | Allsvenskan | Osters IF4–3IFK VarnamoRegular Season - 23 | V |
| 20 de set. | Allsvenskan | Mjallby AIF1–1Osters IFRegular Season - 24 | E |
| 29 de set. | Allsvenskan | Osters IF0–2IFK GoteborgRegular Season - 25 | D |
| octubre del 202504 d’oct. | Allsvenskan | Osters IF3–0HalmstadRegular Season - 26 | V |
| 19 d’oct. | Allsvenskan | IF Elfsborg5–1Osters IFRegular Season - 27 | D |
| 25 d’oct. | Allsvenskan | Osters IF1–2Degerfors IFRegular Season - 28 | D |
| novembre del 202502 de nov. | Allsvenskan | Gais1–1Osters IFRegular Season - 29 | E |
| 09 de nov. | Allsvenskan | Osters IF1–3Djurgardens IFRegular Season - 30 | D |
