Super League leaders St Helens have been given an away trip to Castleford Tigers in round six of the Ladbrokes Challenge Cup.
The Saints defeated Daryl Powell’s side 46-6 on the opening weekend of the season, but since then, the Tigers have won seven of their last nine matches and lie fifth in the table with games in hand on those above.
Elsewhere, back-to-back winners Hull FC must travel to Championship side Featherstone Rovers in the next round, while Toronto Wolfpack will square off against Steve Price’s Warrington Wolves at the Halliwell Jones Stadium.
League One Whitehaven- the lowest ranked team left in the competition- must travel to the South of France to take on the Catalans Dragons.
In the rest of the ties, 19-time Challenge Cup winners Wigan must travel to Hull Kingston Rovers, Widnes host Leeds, Salford Red Devils will square off with the Leigh Centurions, whilst Huddersfield and Wakefield meet in a Yorkshire derby.
All ties are to be played over the weekend of the 12/13 May.
Full Sixth Round Draw- Hull KR v Wigan, Castleford v St Helens, Toronto Wolfpack v Warrington, Leigh v Salford, Featherstone Rovers v Hull FC, Catalans Dragons v Whitehaven, Widnes v Leeds, Huddersfield v Wakefield.