JWL Founders Group leaders Great Harwood beat Accrington by 6 wickets at Thorneyholme Road.
Emile Haratbar top scored with a competition best 37 in Accrington's 115-7.
Kian Farnworth also hit 23 and sub professional Levi Wolfenden 17.
Openers Caleb Greenhalgh (14) and stand-in skipper Kasir Masood (28) put on 46 before both fell to Simon Hanson (2-13) but professional Thikshila de Silva hit an unbeaten 36 to guide his side to victory with four balls to spare.
