Hull KR 35-30 Broncos FT
Vikings 58-10 Rovers FT
Bulldogs 22-22 Oldham FT
Eagles 28-35 Rams FT
Lions 16-30 Bulls FT
Raiders 26-19 Knights FT
Whitehaven 36-4 Cougars FT
Town 22-21 Doncaster FT
Stags 18-38 Crusaders FT
Oxford 22-22 Ironmen FT
Bears 14-50 Skolars FT
Leeds Rhinos ran in 160 points without reply as they got their 2017 Challenge Cup campaign off to a flying start.
Leeds, Cup finalists last year, took on the Argonauts from Dartford, who were making their Challenge Cup debut.
The Rhinos started well and opened up a 32-point lead with two tries for Tony Godward and Josh Butler, who completed an early first half hat-trick.
Butler added two more tries, before a try each for both Ryan Richardson, James Collins and a fourth try of the game for Cibbens, saw the Rhinos open up the gap to 60 points.
A further try each for Butler, Richardson and Cibbens, along with a first try of the game for Jodie Boyd-Ward, saw the Rhinos lead 82-0 at half time.
The Rhinos continued their dominance into the second half - two more tries each for Collins and Godward saw them reach the 100-point mark.
A second half hat-trick of tries each for Richardson and Cibbens alongside two more tries each for Godward and Butler rounded off the scoring on a remarkable match.
The second game of the day took place in Wales as North Wales Crusaders hosted North Development League outfit, Hull FC.
Crusaders started the game well and opened up a 22-point gap in the opening 12 minutes of the game.
Harry Jones capped an excellent move to score a try on his 50th appearance for the Crusaders.
Dundee Dragons overcame Keighley Cougars on Saturday
The Dragons are now into the quarter finals
Further tries from Stuart Williams and Andrew Higgins saw the Welsh side lead by 56-10 at the interval.
The second half saw a spirited fightback by Hull, Martin Norris scored two tries as they looked to close the gap to the Crusaders.
But another try each for Williams, Jones, Higgins and a solitary try for Lucie Roberts saw the Crusaders progress to the quarter finals, winning 84-44.
The final game of the afternoon saw Keighley Cougars travel across the border to Scotland to take on Dundee Dragons.
The Dragons started the game on the front foot and completed the game with an impressive, dominating performance, by a score of 86-4.
The three sides who won on Saturday will be joined in the quarter finals with the defending cup holders Halifax.
The other sides in the next round are Medway Dragons, Mersey Storm, Glasgow Panthers and the Leyland Warriors.
The quarter finals will be drawn this coming week and will be played on the weekend of the 10th and 11th June 2017.