Round 4
| March 2018 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Round 4 | Mar 2 | Fri 7:45pm | Hull FC | 21 | Warrington Wolves | 12 | B. Thaler | KCOM Stadium | 10,051 | |
| Round 4 | 2 | Fri 8:00pm | Wigan Warriors | 32 | Widnes Vikings | 16 | R. Hicks | DW Stadium | 10,815 | |
| Round 4 | 4 | Sun 3:00pm | Wakefield Trinity | 22 | Huddersfield Giants | 4 | G. Hewer | Mobile Rocket Stadium | 4,055 | |
| Round 4 | 4 | Sun 4:00pm | St Helens | 34 | Salford Red Devils | 2 | S. Mikalauskas | Totally Wicked Stadium | 10,008 | |
| June 2018 | ||||||||||
| Round 4 | Jun 1 | Fri 8:00pm | Hull Kingston Rovers | 14 | Castleford Tigers | 42 | J. Child | KCOM Craven Park | 7,074 | |
| Round 4 | 20 | Wed 7:45pm | Leeds Rhinos | 25 | Catalans Dragons | 28 | S. Mikalauskas | Emerald Headingley Stadium | 10,366 | |