| 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 |