| September 2023Sep 03 |  Serie B | Lecco 3–4 CatanzaroRegular Season - 4 | L |
| Sep 16 | Serie B | Lecco0–2 BresciaRegular Season - 5 | L |
| Sep 23 | Serie B | Modena 0–0LeccoRegular Season - 6 | D |
| Sep 26 | Serie B | Lecco1–2 FeralpisaloRegular Season - 7 | L |
| October 2023Oct 01 | Serie B | Cittadella 2–1LeccoRegular Season - 8 | L |
| Oct 07 | Serie B | Cosenza 3–0LeccoRegular Season - 9 | L |
| Oct 21 | Serie B | Lecco0–2 AscoliRegular Season - 10 | L |
| Oct 24 | Serie B | Pisa 1–2LeccoRegular Season - 1 | W |
| Oct 29 | Serie B | Palermo 1–2LeccoRegular Season - 11 | W |
| November 2023Nov 05 | Serie B | Reggiana 1–1LeccoRegular Season - 12 | D |
| Nov 08 | Serie B | Lecco0–0 SpeziaRegular Season - 2 | D |
| Nov 12 | Serie B | Lecco3–2 ParmaRegular Season - 13 | W |
| Nov 25 | Serie B | Cremonese 1–0LeccoRegular Season - 14 | L |
| Nov 28 | Serie B | Como 0–0LeccoRegular Season - 3 | D |
| December 2023Dec 03 | Serie B | Lecco1–0 BariRegular Season - 15 | W |
| Dec 09 | Serie B | Sampdoria 2–0LeccoRegular Season - 16 | L |
| Dec 17 | Serie B | Lecco2–3 TernanaRegular Season - 17 | L |
| Dec 23 | Serie B | Venezia 2–2LeccoRegular Season - 18 | D |
| Dec 26 | Serie B | Lecco2–1 SudtirolRegular Season - 19 | W |
| January 2024Jan 12 | Serie B | Catanzaro5–3LeccoRegular Season - 20 | L |
| Jan 20 | Serie B | Lecco1–3PisaRegular Season - 21 | L |
| Jan 27 | Serie B | Feralpisalo5–1LeccoRegular Season - 22 | L |
| February 2024Feb 03 | Serie B | Lecco0–1CremoneseRegular Season - 23 | L |
| Feb 10 | Serie B | Bari3–1LeccoRegular Season - 24 | L |
| Feb 17 | Serie B | Lecco1–3CosenzaRegular Season - 25 | L |
| Feb 24 | Serie B | Ternana0–0LeccoRegular Season - 26 | D |
| Feb 27 | Serie B | Lecco0–3ComoRegular Season - 27 | L |
| March 2024Mar 02 | Serie B | Sudtirol1–0LeccoRegular Season - 28 | L |
| Mar 10 | Serie B | Lecco0–1PalermoRegular Season - 29 | L |
| Mar 17 | Serie B | Ascoli4–1LeccoRegular Season - 30 | L |
| April 2024Apr 01 | Serie B | Lecco1–1CittadellaRegular Season - 31 | D |
| Apr 06 | Serie B | Spezia1–1LeccoRegular Season - 32 | D |
| Apr 13 | Serie B | Lecco1–0ReggianaRegular Season - 33 | W |
| Apr 20 | Serie B | Lecco1–2VeneziaRegular Season - 34 | L |
| Apr 27 | Serie B | Parma4–0LeccoRegular Season - 35 | L |
| May 2024May 01 | Serie B | Lecco0–1SampdoriaRegular Season - 36 | L |
| May 05 | Serie B | Brescia4–1LeccoRegular Season - 37 | L |
| May 10 | Serie B | Lecco2–3ModenaRegular Season - 38 | L |
