| August 2025Aug 09 |  Championship | Norwich 1–2 MillwallRegular Season - 1 | W |
| Aug 12 |  EFL Cup | Newport County 0–1Millwall1st Round | W |
| Aug 16 | Championship | Millwall0–3 MiddlesbroughRegular Season - 2 | L |
| Aug 23 | Championship | Sheffield Utd 0–1MillwallRegular Season - 3 | W |
| Aug 26 | EFL Cup | Millwall2–1 Coventry2nd Round | W |
| Aug 30 | Championship | Millwall0–2 WrexhamRegular Season - 4 | L |
| September 2025Sep 13 | Championship | Charlton 1–1MillwallRegular Season - 5 | D |
| Sep 16 | EFL Cup | Crystal Palace 1–1Millwall3rd Round | D |
| Sep 22 | Championship | Millwall1–0 WatfordRegular Season - 6 | W |
| Sep 27 | Championship | Swansea 1–1MillwallRegular Season - 7 | D |
| October 2025Oct 01 | Championship | Millwall0–4CoventryRegular Season - 8 | L |
| Oct 04 | Championship | Millwall3–0 West BromRegular Season - 9 | W |
| Oct 18 | Championship | QPR 1–2MillwallRegular Season - 10 | W |
| Oct 21 | Championship | Millwall2–0 Stoke CityRegular Season - 11 | W |
| Oct 25 | Championship | Millwall1–0 LeicesterRegular Season - 12 | W |
| November 2025Nov 01 | Championship | Oxford United 2–2MillwallRegular Season - 13 | D |
| Nov 04 | Championship | Birmingham 4–0MillwallRegular Season - 14 | L |
| Nov 08 | Championship | Millwall1–1 PrestonRegular Season - 15 | D |
| Nov 22 | Championship | Portsmouth 3–1MillwallRegular Season - 16 | L |
| Nov 26 | Championship | Millwall1–0 Sheffield WednesdayRegular Season - 17 | W |
| Nov 29 | Championship | Millwall3–2 SouthamptonRegular Season - 18 | W |
| December 2025Dec 06 | Championship | Bristol City 0–1MillwallRegular Season - 19 | W |
| Dec 10 | Championship | Derby 1–1MillwallRegular Season - 20 | D |
| Dec 13 | Championship | Millwall1–3 Hull CityRegular Season - 21 | L |
| Dec 20 | Championship | Blackburn 2–0MillwallRegular Season - 22 | L |
| Dec 26 | Championship | Millwall0–0 IpswichRegular Season - 23 | D |
| Dec 29 | Championship | Millwall2–1Bristol CityRegular Season - 24 | W |
| January 2026Jan 01 | Championship | Southampton0–0MillwallRegular Season - 25 | D |
| Jan 04 | Championship | Millwall2–1SwanseaRegular Season - 26 | W |
| Jan 10 |  FA Cup | Burnley 5–1MillwallRound of 64 | L |
| Jan 17 | Championship | Watford0–2MillwallRegular Season - 27 | W |
| Jan 20 | Championship | Coventry2–1MillwallRegular Season - 28 | L |
| Jan 24 | Championship | Millwall4–0CharltonRegular Season - 29 | W |
| Jan 31 | Championship | Millwall1–1Sheffield UtdRegular Season - 30 | D |
| February 2026Feb 07 | Championship | Wrexham0–2MillwallRegular Season - 31 | W |
| Feb 14 | Championship | Sheffield Wednesday1–2MillwallRegular Season - 32 | W |
| Feb 21 | Championship | Millwall1–3PortsmouthRegular Season - 33 | L |
| Feb 25 | Championship | Millwall3–0BirminghamRegular Season - 34 | W |
| Feb 28 | Championship | Preston0–2MillwallRegular Season - 35 | W |
| March 2026Mar 07 | Championship | Hull City1–3MillwallRegular Season - 36 | W |
| Mar 10 | Championship | Millwall1–0DerbyRegular Season - 37 | W |
| Mar 14 | Championship | Millwall1–2BlackburnRegular Season - 38 | L |
| Mar 21 | Championship | Ipswich1–1MillwallRegular Season - 39 | D |
| April 2026Apr 03 | Championship | Middlesbrough1–2MillwallRegular Season - 40 | W |
| Apr 06 | Championship | Millwall1–2NorwichRegular Season - 41 | L |
| Apr 10 | Championship | West Brom0–0MillwallRegular Season - 42 | D |
| Apr 18 | Championship | Millwall2–0QPRRegular Season - 43 | W |
| Apr 21 | Championship | Stoke City1–3MillwallRegular Season - 44 | W |
| Apr 24 | Championship | Leicester1–1MillwallRegular Season - 45 | D |
| May 2026May 02 | Championship | Millwall2–0Oxford UnitedRegular Season - 46 | W |
| May 08 | Championship | Hull City0–0MillwallSemi-finals | D |
| May 11 | Championship | Millwall0–2Hull CitySemi-finals | L |
