Scott Jones came off the bench to grab a late winner in this five-goal thriller.
Second half goals from Kenny Pogue and Tom Chalmers earned Hastings all three points as Chichester suffered a first loss in nine games in all competitions.
Chichester City Women made it four league wins in a row with a 4-1 victory against Eversley & California at Oaklands Park on Sunday.
A stunning 25-yarder from midfielder Lloyd Rowlatt and another goal by right back Ryan Davidson with 10 minutes to go earned Chichester a first league win on the road this season.
Two outstanding saves from penalty shoot-out hero Kieran Magee after this Velocity Trophy tie finished goalless helped Chichester advance to the next round of the competition.
An early goal from top scorer Callum Overton and another after the break by Emmett Dunn, who grabbed the extra time Sussex County Cup winner against Whitehawk midweek, extended Chichester’s unbeaten run in the league to four games.
An Emmett Dunn goal deep into extra time sent Chichester through to the next round of the Sussex Senior Challenge Cup.
Chichester City were left rueing missed chances against 10-man Sevenoaks Town as a late goal for the hosts saw the game end all square.
A Lloyd Rowlatt goal on the stroke of half time gave Chichester a narrow victory over Crowborough Athletic in this Sussex Principal RUR Charity Cup tie at Oaklands Park.
A stoppage time winner from Molly Jones won all three points for Chichester City Women yesterday at Woking Ladies.
