<P> The format of the competition is eight knock - out rounds followed by a final . The first two rounds are composed entirely of 48 amateur teams . The 12 winners of the second round ties are joined in round three by the 14 League 1 teams . For the fourth round , the 13 winners from round 3 are joined by 11 of the 12 Championship teams , ( Toulouse Olympique who play in the Championship , have declined to enter the 2018 cup competition . ) Round five will see four Super League teams entering the competition . These are the four teams that finished in the top four positions of the 2017 Qualifiers and are Warrington Wolves , Widnes Vikings , Hull Kingston Rovers and Catalan Dragons . The remaining eight Super League teams join in round six . </P>
<P> The format of the competition is eight knock - out rounds followed by a final . The first two rounds are composed entirely of 48 amateur teams . The 12 winners of the second round ties are joined in round three by the 14 League 1 teams . For the fourth round , the 13 winners from round 3 are joined by 11 of the 12 Championship teams , ( Toulouse Olympique who play in the Championship , have declined to enter the 2018 cup competition . ) Round five will see four Super League teams entering the competition . These are the four teams that finished in the top four positions of the 2017 Qualifiers and are Warrington Wolves , Widnes Vikings , Hull Kingston Rovers and Catalan Dragons . The remaining eight Super League teams join in round six . </P>
when do super league teams enter the challenge cup
when do super league teams enter the challenge cup
Round five
Round five