Haringey Borough lost their place at the top of the table after falling to a 1-0 loss at Tonbridge Angels, curtesy of a dramatic last minute winner from substitute Adem Ramadan.
Tom Loizou’s side were leapfrogged at the summit by Dorking Wanderers who won at Potters Bar Town, thanks to second half goals from Lewis Taylor and James McShane.
Third placed Lewes also saw their momentum slowed after falling to a disappointing 2-1 defeat at Harlow Town.
Merstham strengthened their play-off hopes after extending their unbeaten run to nine games with a comfortable 3-0 win at home to AFC Hornchurch, while fifth placed Bognor Regis and sixth placed Folkestone Invicta beat Corinthian Casuals and Kingstonian respectively.
At the bottom, basement club Whitehawk produced a stunning comeback to gain a vital point against Carshalton Athletic, while 21st placed Burgess Hill Town fell to a convincing 3-0 loss at home to Bishop’s Stortford.
Wingate & Finchley also eased their relegation worries with a battling 2-2 draw against Brightlingsea Regent.