Gavin Rose made one change from Saturday's draw with Grays, bringing in player coach Kevin James for his first start of the season.
Kingstonian applied early pressure and had a good shout for a penalty in the opening minute. Giant forward Sappleton was given a clear sight of goal in the 3rd minute but slipped and scuffed his effort and the same player had a free header in the 8th minute but directed it straight at Wilson.
Within a minute Dulwich made their first attack of note count. Nyren Clunis whipped in a cross from the right and Jacob Erskine volleyed powerfully past Tolfrey in the Ks goal.
Kingstonian were soon back in the ascendancy and Wilson had to make a good low save from Bennett. Sappleton had a volley blocked and Sweeney fired wide as they pressed for an equaliser.
Dulwich were rarely seen as an attacking force but thought they had grabbed a second just past the half hour. Again Clunis delivered a cross to the far post where Charlie Penny, who had replaced the injured Osei Sankofa, tucked the ball home. However, he was denied by the Assistant's flag.
Kingstonian continued to dominate possession for the remainder of the half but Wilson was untroubled in the Dulwich goal. In fact, Dulwich came closest to a goal as Carew's effort was blocked following a goalmouth scramble.
Half Time 0-1
The early part of the second half followed the same pattern as much of the first had done. Malachi Hudson was Ks most dangerous attacker wide on the left and his 48th minute cross saw a Pico Gomez effort blocked.
Hoeever, Dulwich looked dangerous every time they did manage to put together an attack and Clunis was inches away from doubling the lead in the 51st minute; Ethan Pinnock's cross just evading him.
Jacob Erskine volleyed over from another Clunis cross, whilst Wilson had to make a good low stop before Dulwich doubled their lead. Again Clunis crossed from the right and again Erskine swept the ball past Tolfrey.
This seemed to deflate the home side and a minute later Dulwich added a third. Nyren Clunis had a shot blocked and, from the resulting corner, Matt Drage headed goalwards. The home side had ample opportunity to clear but it was Ethan Pinnock who reacted first and thumped home.
Dulwich were now dominant, although Wilson picked up an injury as he bravely saved at the feet of Sappleton. Charlie Penny saw his lob saved by Tolfrey, Carew had a shot blocked and Danny Waldren seemed to be brought down from behind as he burst into the penalty area, although any further score would have been harsh on the home side.
Final Score 0-3