| August 2025Aug 09 |  Championship | Charlton 1–0 WatfordRegular Season - 1 | W |
| Aug 12 |  EFL Cup | Charlton3–1 Stevenage1st Round | W |
| Aug 16 | Championship | Bristol City 0–0CharltonRegular Season - 2 | D |
| Aug 23 | Championship | Charlton0–1 LeicesterRegular Season - 3 | L |
| Aug 26 | EFL Cup | Cambridge United 3–1Charlton2nd Round | L |
| Aug 30 | Championship | QPR 3–1CharltonRegular Season - 4 | L |
| September 2025Sep 13 | Championship | Charlton1–1 MillwallRegular Season - 5 | D |
| Sep 20 | Championship | Sheffield Utd 0–1CharltonRegular Season - 6 | W |
| Sep 27 | Championship | Charlton3–0 BlackburnRegular Season - 7 | W |
| Sep 30 | Championship | Derby 1–1CharltonRegular Season - 8 | D |
| October 2025Oct 04 | Championship | Preston 2–0CharltonRegular Season - 9 | L |
| Oct 18 | Championship | Charlton2–1 Sheffield WednesdayRegular Season - 10 | W |
| Oct 21 | Championship | Ipswich 0–3CharltonRegular Season - 11 | W |
| Oct 25 | Championship | Hull City 1–1CharltonRegular Season - 12 | D |
| November 2025Nov 01 | Championship | Charlton1–1 SwanseaRegular Season - 13 | D |
| Nov 04 | Championship | Charlton1–0 West BromRegular Season - 14 | W |
| Nov 08 | Championship | Wrexham 1–0CharltonRegular Season - 15 | L |
| Nov 22 | Championship | Charlton1–5 SouthamptonRegular Season - 16 | L |
| Nov 25 | Championship | Stoke City 3–0CharltonRegular Season - 17 | L |
| Nov 29 | Championship | Coventry 3–1CharltonRegular Season - 18 | L |
| December 2025Dec 09 | Championship | Charlton1–2 MiddlesbroughRegular Season - 20 | L |
| Dec 13 | Championship | Birmingham 1–1CharltonRegular Season - 21 | D |
| Dec 20 | Championship | Charlton1–0 Oxford UnitedRegular Season - 22 | W |
| Dec 26 | Championship | Norwich 1–0CharltonRegular Season - 23 | L |
| Dec 29 | Championship | Portsmouth 2–1CharltonRegular Season - 24 | L |
| January 2026Jan 01 | Championship | Charlton1–1CoventryRegular Season - 25 | D |
| Jan 04 | Championship | Blackburn2–2CharltonRegular Season - 26 | D |
| Jan 10 |  FA Cup | Charlton1–5 ChelseaRound of 64 | L |
| Jan 17 | Championship | Charlton1–0Sheffield UtdRegular Season - 27 | W |
| Jan 20 | Championship | Charlton1–2DerbyRegular Season - 28 | L |
| Jan 24 | Championship | Millwall4–0CharltonRegular Season - 29 | L |
| Jan 31 | Championship | Leicester0–2CharltonRegular Season - 30 | W |
| February 2026Feb 06 | Championship | Charlton0–0QPRRegular Season - 31 | D |
| Feb 11 | Championship | Charlton1–0Stoke CityRegular Season - 32 | W |
| Feb 17 | Championship | Charlton1–3PortsmouthRegular Season - 19 | L |
| Feb 21 | Championship | Southampton1–1CharltonRegular Season - 33 | D |
| Feb 24 | Championship | West Brom1–1CharltonRegular Season - 34 | D |
| Feb 28 | Championship | Charlton0–1WrexhamRegular Season - 35 | L |
| March 2026Mar 07 | Championship | Charlton1–0BirminghamRegular Season - 36 | W |
| Mar 11 | Championship | Middlesbrough0–1CharltonRegular Season - 37 | W |
| Mar 14 | Championship | Oxford United1–1CharltonRegular Season - 38 | D |
| Mar 21 | Championship | Charlton0–1NorwichRegular Season - 39 | L |
| April 2026Apr 03 | Championship | Charlton1–2Bristol CityRegular Season - 40 | L |
| Apr 06 | Championship | Watford1–1CharltonRegular Season - 41 | D |
| Apr 11 | Championship | Charlton1–2PrestonRegular Season - 42 | L |
| Apr 18 | Championship | Sheffield Wednesday1–1CharltonRegular Season - 43 | D |
| Apr 22 | Championship | Charlton1–2IpswichRegular Season - 44 | L |
| Apr 25 | Championship | Charlton2–1Hull CityRegular Season - 45 | W |
| May 2026May 02 | Championship | Swansea3–1CharltonRegular Season - 46 | L |
