Knebworth Park slipped to defeat at Leverstock Green in Saracens Herts Division One after looking well placed at one stage.
Josh Roseberry (44) and Duncan Visser (14) gave them a good start of 53 for the first wicket.
Rob Morley (27) and Adam Sergeant (17) then took the score on to 121 for 3 but thereafter only Rana Arslan (29) made any impact as the last seven wickets fell for only 48 runs to be bowled out for a well below par 169.
Leverstock then coasted home by eight wickets in finishing on 171 for 2, winning with five overs to spare after there had been three breaks for rain which had reduced the number of overs.
