Top seed Toulon have reached the last eight courtesy of a pool stage campaign that has yielded 28 points with wins over the Welsh region both home and away. Scarlets needed a 33-14 bonus point win over London Irish in Round 6 to secure their spot in the quarter-finals.

Bristol Bears secured 26 points in topping Pool 4 and will host Dragons at Ashton Gate while fellow pool stage rivals Bordeaux-Bègles and Edinburgh Rugby meet for a third time, with the match being held at Stade Chaban-Delmas.

And the winners of Pool 1 and Pool 5 will meet in the last eight as two-time European Cup winners Leicester Tigers host Castres Olympique at Welford Road.

The quarter-final matches to be played on 3/4/5 April are as follows:

QF 1: RC Toulon v Scarlets, Stade Félix Mayol

QF 2: Leicester Tigers v Castres Olympique, Welford Road

QF 3: Bordeaux-Bègles v Edinburgh Rugby, Stade Chaban-Delmas

QF 4: Bristol Bears v Dragons, Ashton Gate Stadium

NB The exact dates, venues and kick-off times for the matches will be announced towards the end of next week.

Semi-finals: 1/2/3 May 2020

2020 finals – Stade de Marseille
Challenge Cup final – Friday 22 May
Heineken Champions Cup final – Saturday 23 May

RC Toulon and Scarlets will do battle for a third time this season with the two sides set to meet in the European Rugby Challenge Cup quarter-finals.