Saturday slot for Ospreys trip
The Liberty Stadium clash will be shown live in the UK on BT Sport and S4C.
The winner of the one-leg showdown faces a quarter-final trip to either Leicester Tigers or Irish province Connacht on the weekend of April 9/10/11, with the date and time of that game not being confirmed until after the round of 16 has been completed.
The semi-finals of the competition will be held on the weekend of April 30 and May 1/2, with the final in Marseille on Friday May 21.
