Following the conclusion of the EPCR Challenge Cup pool stage the four highest-ranked clubs in each pool have secured their places in the Round of 16 which will be played on the weekend of 5/6/7 April, and the 12 clubs are supplemented by Connacht Rugby, Sale Sharks, Ulster Rugby and Aviron Bayonnais who have qualified from the Investec Champions Cup.
In accordance with the tournament rules, the pool winners have been ranked 1 to 3, the second-placed clubs are ranked 4 to 6, the two highest-ranked third-placed clubs have been ranked 7 and 8, the qualifying Investec Champions Cup clubs are ranked 9 to 12, the remaining third-placed club has been ranked 13, and the fourth-placed clubs are ranked 14 to 16.
The exact dates and kick-off times of the Round of 16 fixtures will be announced as soon possible.
EPCR CHALLENGE CUP
Round of 16 - 5/6/7 April
R16 1: Hollywoodbets Sharks (1) v Zebre Parma (16)
R16 2: Gloucester Rugby (2) v Castres Olympique (15)
R16 3: Benetton Rugby (3) v Emirates Lions (14)
R16 4: ASM Clermont Auvergne (4) v Toyota Cheetahs (13)
R16 5: Montpellier Hérault Rugby (5) v Ulster Rugby (12)
R16 6: Section Paloise (6) v Connacht Rugby (11)
R16 7: Ospreys (7) v Sale Sharks (10)
R16 8: Edinburgh Rugby (8) v Aviron Bayonnais (9)
NB The clubs ranked numbers 1 to 8 will have a home venue advantage.
Quarter-finals - 12/13/14 April
QF 1: winner R16 1 v winner R16 8
QF 2: winner R16 2 v winner R16 7
QF 3: winner R16 3 v winner R16 6
QF 4: winner R16 4 v winner R16 5
NB The highest-ranked clubs from the pool stage will have a home venue advantage.
Semi-finals - 3/4/5 May
SF 1: winner QF 1 v winner QF 4
SF 2: winner QF 2 v winner QF 3
NB The highest-ranked clubs from the pool stage will have a home venue advantage.
2024 EPCR Challenge Cup final - Friday, 24 May; Tottenham Hotspur Stadium, London (22.00)