Rastrick ousted Drakes Premiership side Skelmanthorpe from the Sykes Cup and will fancy their chances of going to the last eight.
The Round Hill club – early leaders of the Cedar Court Conference – will visit Thurstonland in the second round this coming Sunday after their crushing success against James Crossland’s men.
Opener Jacob Waterson – who now has an average for this season of 320 – hit 73 as Rastrick totalled 201-8 on home soil.
Then 19-year-old Aussie Mitchell McCoach, from the Marshall club in Geelong, Victoria, got to work with the ball and his four for 23 return helped Rastrick dismiss their top-flight visitors for just 115.
Thurstonland went through against fellow third-tier side Emley after Tom ‘Munch’ Sykes hit 56 in their total of 177-7.
Allan Greenwood replied with a half century for Emley, and David Stratford 35 to follow his ton of the previous day, but Gregory Holmes pegged them back with a haul of five for 26 and Jack Oldham three for 26 and the visitors were dismissed 15 short at 162.
Aussie all-rounder Tom Joraslafsky from Adelaide was the hero for Marsden as they won a tense Colne Valley derby against Marsden by one wicket at Hill Top.
The Southern District player took three for 38 with his off-breaks as Slaithwaite totalled 159 in which Matt Bremner scored 52 and skipper Chris Kilner 44.
Bremner then took four for 29 and Alex Walker four for 38 to leave the result in the balance, but Joraslafsky got his team over the line at 160-9 with an unbeaten 61.
Sash Naidoo continued his hot form for Shelley by hitting 113 not out in their 288-5 against Conference side Birkby Rose Hill, Shahban Raheem contributing 64.
Naidoo then claimed three for seven with the ball as Birkby were restricted to 138 in reply, Kamran Saleem hitting 56.
Holders Hoylandswaine recovered from their shock Premiership defeat to Moorlands by flooring Delph by 10 wickets.
Skipper Richard Wilkinson did most of the damage with four for 22 as Delph were sent back for 132 at Haigh Lane, Andrew Gleave top-scoring for the visitors on 31.
Swaine openers Gharib Nawaz and Alex Morris took their team to 133-0 with 95 not out and 32 not out respectively.
Ritchie Howarth, having taken six for 11 the previous day to help defeat Skelmanthorpe, catapulted Honley to victory at Elland.
Honley totalled 196-4 thanks to 76 not out from opener Tim Sykes and 68 from skipper Eddie Wilson.
Howarth then claimed five for 13 as Elland were skittled for just 60.
Golcar made easy work of Clayton West, Tim Welsford taking four for 24 and Jake Lockwood three for 24 as the visitors were dismissed for just 81. Steve Whitwam, with an unbeaten 40, then ensured Golcar went through.
Broad Oak scored a six-wicket win over Holmfirth, while Asif Hussain continued to pile up the runs for Kirkburton, hitting 92 not out in their seven-wicket win over Lascelles Hall.
Aqeel Mukhtar scored a superb 121 for the Hall while Iqbal Khan claimed five for 26 as they set a 205 target.
Hussain and Jonny Butterfield, with 60 not out, were not to be moved in reply, however.
Almondbury made only 98 at Kirkheaton thanks to three-wicket hauls from Safyan Sarwar and Rahat Shah, but the home side were made to work hard for a three-wicket win, Chay Gardiner scoring 36 while Azeem Mirza took three for 40 and Jonny White three for 27.
Michael Rounding hit 86 as Moorlands went through at Denby after totalling 248-9, Peter Lombard taking four for 17 as the home side were sent back for 103 in reply.
Jack Hinchliffe was the destroyer for Meltham in their seven-wicket win at Cartworth Moor, taking five for 15 as the home side posted 75. Meltham got home with three down.
Barkisland, going well in the top flight in third, scored an eight-wicket win against Almondbury Wesleyans at Kaye Lane.
Chris Williams with four for 29 and Ben Westbrook three for 25 dismissed the Wes for 112. Alex Kaye on 39 and New Zealand Under 19 Tim Seifert with 36 helped take Barkisland to 114-2.
Draw: Hoylandswaine v Scholes, Honley v Kirkburton, Moorlands v Kirkheaton, Golcar v Linthwaite, Shepley v Meltham, Broad Oak v Shelley, Thurstonland v Rastrick, Marsden v Barkisland.