Visiting Hastings batted first and were bowled out for 190, Leo Camish with 43 and Adam Maharaj-Newman 52.
For Horsham, spinner Michael Munday ran riot taking 6-45.
In reply John Burroughs opened with 57 before Craig Gallagher hit a run-a-ball 68 to see Horsham home to a six-wicket victory.
Highlights include some of Munday’s six wickets, plus batting from Burroughs and Gallagher.
Full report in this week’s West Sussex County Times, out on Thursday.