Robert Rimmington struck a first-team best 90 not out as Prestatyn stormed to a big win over Fleetwood at Beach Close.
The visitors won the toss and elected to bat, Luke Tinsley (66) and Michael Howard (43) putting on 89 for the first wicket.
However, once Kieron Tidswell broke the partnership, it was mainly all downhill for Hesketh as they finished up 162 all out in 50.2 overs.
Kieron Tidswell picked up 3-22, Adam Tidswell 3-41 and Sheil Sethi 2-19 for the home side.
Wicket-keeper Rimmington then took control, sharing in an unbroken fourth-wicket stand of 109 with Gareth Leonard (48 no) as Prestatyn made it to 163-3 in 49.4 overs to seal a 25-4 points decision.
On a great day for North Wales teams in the First Division, Northop Hall made light work of hosts Ainsdale.
The home side called the coin correctly and opted for first knock, but their batsmen were totally strangled by the Hall attack, which dismissed the opposition for just 69 from 38.5 overs.
James Hurlin produced the best return of 4-26 off 12.5 overs, while Ryan Dunning claimed 3-8 off eight and Enamul Haque Jr an even more miserly 3-5 from 11, bowling eight maidens.
If Ainsdale took a painstaking amount of overs to reach just 69, the exact opposite was true of the Hall’s batters who slammed their way to 72-2 off 8.4, Ben Slater 42 no, for a 25-a points split.
Bay came close to a thrilling victory at Penrhyn Avenue but had to settle for a draw against their high-flying opponents.
Next-to-bottom Colwyn badly needed a win to boost their hopes of escaping from the drop zone, but when their innings closed things did not look too promising.
The North Wales hosts, put into bat, were all back in the pavilion for 147, Henry Ramsden notching 41 and Adam Campion 30, Ashraf Nawab 6-14 for the visitors.
New Brighton needed 148 off 25 overs and went for it, but finished up 128-8 and perhaps in the end relieved to avoid defeat.
Saliya Saman Jeewantha scooped 5-43 off 13 overs and Ryan Holtby 3-45, the travellers losing their last three wickets for no runs.
Points were split six apiece.
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