Keane Anderson’s opener for the former National League South side from Hampshire was the difference between the sides midway through the second half – then Jack Spong equalised.
Ryan Seager restored Havant’s lead but Tommy Willard and debut-making Mo Faal – who used to play for Havant – pounced to turn a 2-1 deficit into a 3-2 lead in the final five minutes.
Worthing have now been drawn to host Dartford – another of last season’s relegated National South sides, now playing in the Isthmian premier – in the third qualifying round on Saturday week.
See pictures by Kyle Hemsley from Worthing 3 Havant 2 on this page and the ones linked – and get Chris Agutter’s reaction and the latest from Woodside Road in the Worthing Herald, out on Thursday.