Tony Hancock's side came into the fixture in positive spirits, having chalked up a first SCFL Division Two victory of the season on Bank Holiday Monday, with a 2-0 success over Chichester City B.
UPPER BEEDING - PROGRAMME DOWNLOAD
However they fell behind to a Craig Parker effort - although it was short-lived courtesy of Sharp with his first of the campaign, following Luke Sweeney's through ball.
Connor Abgood scored what turned out to be the eventual winner just after the hour mark.
It's a much change squad at Manager, Tony Hancock's disposal this season, adjusting to what is expected to be a year of transition for the reds.
They welcome St Francis Rangers to Walton Lane next on September 7 (3pm), before a home date in the Sussex Intermediate Cup against Ridgewood on 14th (2pm), who have lost both their opening games in the Mid Sussex Premier Division.
On the same day, Bosham Reserves - under the stewardship of Frank Anthony and Nick Edgington - get their West Sussex League Division Two South campaign up-and-running at Boys Club Old Boys in the Bareham Trophy (3pm).
WEST SUSSEX LEAGUE - DIVISION TWO SOUTH
Photo: Chris Gregory