The Mackerel Men beat title rivals Folkestone Invicta 3-1, in convincing fashion at home.
Three superply-taken goals led to three more points for Worthing as they overcame Dulwich Hamlet for the second time in six weeks.
Worthing saw two points slip from their grasp thanks to a stoppage time equaliser from Tom Wraight.
Worthing are held to a draw at home, after Tom Wraight’s stoppage time equaliser cancelled out Jasper Pattenden’s second half opener.
Worthing’s first Sussex Senior Cup win over Bognor since March 1963 saw them progress to the semi-finals, courtesy of goals at the end of each half from Will Seager and Jasper Pattenden.
Worthing returned to winning ways with a comfortable 5-0 victory over Whyteleafe.
A repeat of September's four-nil win at Fetcham Grove saw Worthing maintain a healthy seven-point lead over the chasing pack.
Worthing cruise to all three points in a dominant display at home over Leatherhead. Goals from Reece Meekums and Danny Barker, either side of an Ollie Pearce brace were enough for the points.
Pride, passion and no little skill but, alas, it wasn’t to be on a bitterly cold night in Horley as the two-division gap proved just a little too much to fully bridge in the end.