Again-to-back Champions Cup winners La Rochelle will host Leinster – who they’ve crushed up to now two finals – of their opening 2023-24 pool fixture on 10 December.

Premiership champions Saracens are away to Bulls in South Africa on 9 December.

Glasgow Warriors will host Northampton on 8 December with Ulster travelling to Tub a day later.

Bristol Bears open their marketing campaign towards Lyon on 9 December, whereas Cardiff will begin their Champions Cup marketing campaign with a visit to French champions Toulouse.

The Champions Cup and Problem Cup competitions launched their full pool fixtures on Thursday.

Each tournaments play their last-16 matches on the weekend of 5-7 April, with the quarter-finals two weeks later.

The semi-finals are scheduled for 3-5 Might with each finals happening on the Tottenham Hotspur Stadium – the Problem Cup ultimate on 24 Might and the Champions Cup a day later.