| 08 Dec 23 |
r01        | GlasgowGlasgow | 19 - 28 | Northampton SaintsNorthampton S |
| 08 Dec 23 |
r01        | ConnachtConnacht | 5 - 41 | Union Bordeaux BèglesUnion Bordeau |
| 09 Dec 23 |
r01        | RC ToulonnaisRC Toulonnais | 18 - 19 | Exeter ChiefsExeter Chiefs |
| 09 Dec 23 |
r01        | Stade ToulousainStade Toulous | 52 - 7 | Cardiff RugbyCardiff Rugby |
| 09 Dec 23 |
r01        | Bulls Super RugbyBulls Super R | 27 - 16 | SaracensSaracens |
| 09 Dec 23 |
r01        | MunsterMunster | 17 - 17 | Aviron BayonnaisAviron Bayonn |
| 09 Dec 23 |
r01        | Bristol RugbyBristol Rugby | 36 - 34 | Lyon OULyon OU |
| 10 Dec 23 |
r01        | Sale SharksSale Sharks | 28 - 5 | Stade Français ParisStade Françai |
| 10 Dec 23 |
r01        | Leicester TigersLeicester Tig | 35 - 26 | StormersStormers |
| 10 Dec 23 |
r01        | Stade RochelaisStade Rochela | 9 - 16 | LeinsterLeinster |
| 10 Dec 23 |
r01        | Racing Métro 92Racing Métro | 28 - 31 | HarlequinsHarlequins |
|
| |
| 15 Dec 23 |
r02        | Northampton SaintsNorthampton S | 22 - 19 | RC ToulonnaisRC Toulonnais |
| 15 Dec 23 |
r02        | Aviron BayonnaisAviron Bayonn | 11 - 12 | GlasgowGlasgow |
| 16 Dec 23 |
r02        | StormersStormers | 21 - 20 | Stade RochelaisStade Rochela |
| 16 Dec 23 |
r02        | Union Bordeaux BèglesUnion Bordeau | 36 - 17 | Bristol RugbyBristol Rugby |
| 16 Dec 23 |
r02        | Lyon OULyon OU | 29 - 28 | Bulls Super RugbyBulls Super R |
| 16 Dec 23 |
r02        | Cardiff RugbyCardiff Rugby | 32 - 39 | Bath RugbyBath Rugby |
| 16 Dec 23 |
r02        | UlsterUlster | 31 - 15 | Racing Métro 92Racing Métro |
| 17 Dec 23 |
r02        | Exeter ChiefsExeter Chiefs | 32 - 24 | MunsterMunster |
| 17 Dec 23 |
r02        | HarlequinsHarlequins | 19 - 47 | Stade ToulousainStade Toulous |
| 17 Dec 23 |
r02        | Stade Français ParisStade Françai | 24 - 27 | Leicester TigersLeicester Tig |
|
| |
| 12 Jan 24 |
r03        | Northampton SaintsNorthampton S | 61 - 14 | Aviron BayonnaisAviron Bayonn |
| 13 Jan 24 |
r03        | Exeter ChiefsExeter Chiefs | 19 - 17 | GlasgowGlasgow |
| 13 Jan 24 |
r03        | Bristol RugbyBristol Rugby | 17 - 31 | Bulls Super RugbyBulls Super R |
| 13 Jan 24 |
r03        | RC ToulonnaisRC Toulonnais | 18 - 29 | MunsterMunster |
| 13 Jan 24 |
r03        | LeinsterLeinster | 43 - 7 | Stade Français ParisStade Françai |
| 13 Jan 24 |
r03        | Cardiff RugbyCardiff Rugby | 15 - 54 | HarlequinsHarlequins |
| 13 Jan 24 |
r03        | UlsterUlster | 24 - 48 | Stade ToulousainStade Toulous |
| 14 Jan 24 |
r03        | Bath RugbyBath Rugby | 29 - 25 | Racing Métro 92Racing Métro |
| 14 Jan 24 |
r03        | Stade RochelaisStade Rochela | 45 - 12 | Leicester TigersLeicester Tig |
| 14 Jan 24 |
r03        | Union Bordeaux BèglesUnion Bordeau | 55 - 15 | SaracensSaracens |
|
| |
| 19 Jan 24 |
r04        | ConnachtConnacht | 27 - 10 | Bristol RugbyBristol Rugby |
| 19 Jan 24 |
r04        | GlasgowGlasgow | 29 - 5 | RC ToulonnaisRC Toulonnais |
| 20 Jan 24 |
r04        | Bulls Super RugbyBulls Super R | 46 - 40 | Union Bordeaux BèglesUnion Bordeau |
| 20 Jan 24 |
r04        | Leicester TigersLeicester Tig | 10 - 27 | LeinsterLeinster |
| 20 Jan 24 |
r04        | Racing Métro 92Racing Métro | 48 - 26 | Cardiff RugbyCardiff Rugby |
| 20 Jan 24 |
r04        | MunsterMunster | 23 - 26 | Northampton SaintsNorthampton S |
| 20 Jan 24 |
r04        | Stade Français ParisStade Françai | 20 - 24 | StormersStormers |
| 21 Jan 24 |
r04        | Sale SharksSale Sharks | 24 - 37 | Stade RochelaisStade Rochela |
| 21 Jan 24 |
r04        | Stade ToulousainStade Toulous | 31 - 19 | Bath RugbyBath Rugby |
| 21 Jan 24 |
r04        | Aviron BayonnaisAviron Bayonn | 40 - 17 | Exeter ChiefsExeter Chiefs |
| 06 Apr 24 |
r16        | Bulls Super RugbyBulls Super R | 59 - 19 | Lyon OULyon OU |
| 06 Apr 24 |
r16        | Exeter ChiefsExeter Chiefs | 21 - 15 | Bath RugbyBath Rugby |
| 06 Apr 24 |
r16        | StormersStormers | 21 - 22 | Stade RochelaisStade Rochela |
| 06 Apr 24 |
r16        | Union Bordeaux BèglesUnion Bordeau | 45 - 12 | SaracensSaracens |
| 06 Apr 24 |
r16        | LeinsterLeinster | 36 - 22 | Leicester TigersLeicester Tig |
| 07 Apr 24 |
r16        | Northampton SaintsNorthampton S | 24 - 14 | MunsterMunster |
| 07 Apr 24 |
r16        | Stade ToulousainStade Toulous | 31 - 7 | Racing Métro 92Racing Métro |
|
| |
| 13 Apr 24 |
QF        | Union Bordeaux BèglesUnion Bordeau | 41 - 42 | HarlequinsHarlequins |
| 13 Apr 24 |
QF        | LeinsterLeinster | 40 - 13 | Stade RochelaisStade Rochela |
| 13 Apr 24 |
QF        | Northampton SaintsNorthampton S | 59 - 22 | Bulls Super RugbyBulls Super R |
| 14 Apr 24 |
QF        | Stade ToulousainStade Toulous | 64 - 26 | Exeter ChiefsExeter Chiefs |
|
| |
| 04 May 24 |
SF        | LeinsterLeinster | 20 - 17 | Northampton SaintsNorthampton S |
| 05 May 24 |
SF        | Stade ToulousainStade Toulous | 38 - 26 | HarlequinsHarlequins |
|
| |
| 25 May 24 |
Final        | LeinsterLeinster | 22 - 31 | Stade ToulousainStade Toulous |