Slaithwaite won through with a total of 262-5 (222) with Lewis Bradley top scoring on 21.
Ben Harding took an excellent four for five for Broad Oak, who were then held to 242-6 (194), Fraser Harrison hitting 16 and Joe Pinder taking two for three.
At Thongsbridge, visitors Meltham totalled 278-5 (238) despite the efforts of Ben Lindley, who claimed two for 17.
Thongsbridge were held at 230-5 (190).
