There will be six games on show today with Castleford Tigers and Leeds Rhinos being the early Sky Sports kick-off.
Warrington Wolves and Hull FC will then do battle later in the evening on Sky Sports whilst another four fixtures will be taking place without a broadcast spot.
Wigan Warriors take on Wakefield Trinity, Huddersfield Giants host St Helens, Hull KR travel to Toulouse Olympique with Salford Red Devils doing battle with Catalans Dragons. But, who will be refereeing these fixtures?
Castleford Tigers v Leeds Rhinos
18th April, KO: 15:00
M Com: G. Kershaw
Referee: L. Moore
Reserve Referee: B. Thaler
Touch Judge 1: W. Turley
Touch Judge 2: J. Roberts
Video Referee: R. Hicks
Reserve Touch Judge: A. Sweet
Time Keeper: D. Milburn
Huddersfield Giants v St Helens
18th April, KO: 15:00
M Com: P. Hewitt
Referee: T. Grant
Reserve Referee: J. Ruckledge
Touch Judge 1: R. Thompson
Touch Judge 2: N. Bennett
In Goal: P. Parker
In Goal 2: J. Stearne
Time Keeper: P. Crashley
Salford Red Devils v Catalans Dragons
18th April, KO: 15:00
M Com: P. Taberner
Referee: J. Child
Reserve Referee: M. Smaill
Touch Judge 1: A. Smith
Touch Judge 2: S. Mikalauskas
In Goal: P. Brooke
In Goal 2: R. Cox
Time Keeper: N. Hope
Wigan Warriors v Wakefield Trinity
18th April, KO: 15:00
M Com: R. Safi
Referee: J. Smith
Reserve Referee: M. Mannifield
Touch Judge 1: M. Craven
Touch Judge 2: D. Bowmer
In Goal: A. Belafonte
In Goal 2: S. Ellis
Time Keeper: A. Brown
Toulouse Olympique XIII v Hull KR
18th April, KO: 16:00
M Com: V. Jenkins
Referee: A. Moore
Touch Judge 1: L. Rush
Touch Judge 2: S. Vincent
In Goal: F. Gely
Reserve Touch Judge: N. Silvestre
Time Keeper: D. Segura
Hull FC v Warrington Wolves
18th April, KO: 17:30
M Com: T. Randerson
Referee: C. Kendall
Reserve Referee: J. Vella
Touch Judge 1: C. Worsley
Touch Judge 2: N. Horton
Video Referee: M. Griffiths
Reserve Touch Judge: O. Maddock
Time Keeper: S. Williams