Dover closed the gap on Isthmian Premier leaders Lewes to one point after winning at Whitehawk on Saturday.
Second-half goals from Luke Baptiste’s brilliant right-foot volley and George Nikaj’s header – his 11th goal of the season – proved the difference.
Cray Valley came from behind to win 2-1 at home to Chichester, who had led through Jimmy Wild.
Freddie Parker and Fum Shomotun scored inside seven minutes before the break and that’s the way it stayed in the second half.
10-man Dartford had to play 40 minutes with a numerical disadvantage in their goalless draw at home to Hendon.
Jeremiah Pinder saw red early in the second half for what the hosts described as a “perfect tackle”.
It meant a clean sheet on debut for Dartford keeper David Aziaya, who has joined on loan from League 2 Bromley for a month.
A crowd of 1,111 saw Folkestone pegged back by Hashtag United at Cheriton Road after defender Marvel Ekpiteta was sent off.
Khale Da Costa had given Folkestone a 12th-minute lead but Ekpiteta saw red for two yellows on 66 minutes and Harrison Day equalised just seven minutes later.
The game of the day in Isthmian South East saw Ramsgate maintain their perfect start – and inflict a first defeat on Sheppey in the process. Read our match report here.
An injury-time equaliser from Troy Howard saw Sittingbourne draw 2-2 at leaders Beckenham.
Becks led through Jamarie Brissett inside five minutes but Mitchell May levelled just before the break. Steven Townsend restored Beckenham’s lead before Howard rescued a point.
Erith Town are up to fourth after James Dyer’s stoppage-time penalty saw them beat Deal 2-1 in the battle of two teams promoted from Southern Counties East last season.
Ashley Miller had put Deal ahead just before the break but Harrison Carnegie equalised early in the second half for the Dockers.
Margate remain unbeaten but, having led twice, they were held to a 2-2 draw by AFC Croydon Athletic. Player-boss Ben Greenhalgh and Jordon Ababio scored in the first half for Gate.
Darren Anslow took charge of bottom side Phoenix Sports for the first time but they went down 4-0 at Littlehampton Town.
Ashford also remain winless after visitors Broadbridge Heath scored three second-half goals without reply at Homelands.
Hythe’s Lex Allan saw red as they were beaten 2-1 by Eastbourne Town.
Sammi Takaloo had equalised for Hythe after Marcin Ruda’s first-half opener but Leon Creig scored the winner on the hour.
Herne Bay led 2-0 but ended up losing 5-3 at home to Sevenoaks, who scored five goals in a 27-minute period either side of half-time.
Ethan Smith and Joshua Reid scored in the space of two first-half minutes but Jefferson Aibangbee and Warren Mfula levelled it up by half-time.
Rodney Eruotor put Oaks ahead and James Jeffrey made it 4-2 before Mfula bagged his second. Joel Odeniran pulled one back for Bay.
