Super League fixtures 2018: Leeds Rhinos start at Warrington Wolves
Champions Leeds Rhinos will start the defence of their Super League title at Warrington Wolves on 1 February, 2018.
The game will be the first in charge for new Wire head coach Steve Price.
Castleford - the League Leaders' Shield winners and beaten Grand Finalists in 2017 - begin at St Helens, while 2016 champions Wigan start away at Salford.
Also in round one, promoted Hull KR host Wakefield on their top-flight return, Hull FC take on Huddersfield Giants and Widnes will play Catalans.
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Leeds beat Castleford 24-6 at Old Trafford on 7 October to win a record eighth Super League Grand Final.
They have moved two of their home fixtures to Leeds United's Elland Road home. Brian McDermott's side will host Hull KR at the football ground on Thursday, 8 February before a re-match of last season's Grand Final against the Tigers on Friday, 23 March.
There is the traditional set of local derby fixtures on Good Friday. The first meeting of the two Hull clubs in the season is among the games on 30 March, as is St Helens' home match against Wigan.
Magic Weekend is on 19-20 May at St James' Park, home of Newcastle United, with one of the showpiece games being the second of three regular-season matches between Leeds and Castleford.
All 12 Super League sides will play their 23rd league match between 26-29 July, after which the top two divisions will be split into three tiers for the Super 8s phase of the season.
Super League 2018 - round one fixtures
Thursday, 1 February
- Hull FC v Huddersfield Giants
- Warrington Wolves v Leeds Rhinos
Friday, 2 February
- Hull KR v Wakefield Trinity
- Salford Red Devils v Wigan Warriors
- St Helens v Castleford Tigers
Sunday, 4 February
- Widnes Vikings v Catalans Dragons