[5] Round five saw four Super League teams entering the competition, namely those that finished in the top four positions of the 2017 Qualifiers—Warrington Wolves, Widnes Vikings, Hull Kingston Rovers and Catalans Dragons.

[5] The draw for the second round was made on 31 January 2018 at Warrington's Halliwell Jones Stadium and streamed live on the BBC Sport website.

[9] The draw was conducted by former player (and Challenge Cup winner) Rob Parker and former Scottish international Andrew Henderson.

[11][12] The draw was made on 20 March 2018 by two Women's Super League players, Faye Gaskin of St. Helens and Gemma Walsh of Wigan Warriors.

[19] The draw for the Sixth Round was made on 25 April 2018, live on Chris Evans' Breakfast Show on BBC Radio Two, alongside Leeds Rhinos veteran forward Jamie Jones-Buchanan, and Warrington Wolves winger Josh Charnley.

The draw was made by Sophie Rohan and Emily Burnette (the members of Belle Voci), who would sing "Abide with Me" before the final on 25 August.

[27] Teams:[29] Catalans: Tony Gigot, Lewis Tierney, David Mead, Brayden Williame, Fouad Yaha, Samisoni Langi, Josh Drinkwater, Mickael Simon, Michael McIlorum, Sam Moa, Benjamin Jullien, Benjamin Garcia, Remi Casty (c).

Goals: Drinkwater (4/4) Warrington: Stefan Ratchford, Tom Lineham, Bryson Goodwin, Toby King, Josh Charnley, Kevin Brown, Tyrone Roberts, Chris Hill (c), Daryl Clark, Mike Cooper, Harvey Livett, Jack Hughes, Ben Westwood.