Super League table-toppers Leeds Rhinos will host Championship outfit Leigh Centurions in the quarter-finals of the Challenge Cup.
Leigh are top of the second tier with an unblemished record and are unbeaten in 2014. Elsewhere, Wigan host Castleford in a top-four clash, while bottom side Bradford welcome Warrington. Keighley Cougars travel to Widnes in the last match of the round, which is to take place over the weekend of June 7-8.
The 2014 Challenge Cup quarter finals
Wigan Warriors v Castleford Tigers
Leeds Rhinos v Leigh Centurions
Bradford Bulls v Warrington Wolves
Widnes Vikings v Keighley Cougars