A Josh Clack double from the spot and a late Scott Jones goal sealed back to back home victories for Chichester as they saw off a spirited East Grinstead.
Chichester City, the lowest ranked side left in the FA Cup, make the long trek north up to the Wirral this weekend to face League One Tranmere Rovers in the second round of the competition.
Chichester City captain Connor Cody was on hand to rescue a point against in-form visitors Sittingbourne in the first Isthmian League South East Division fixture at Oaklands Park for two months.