And they made the most of it, winning 2-1 at Butlin Road against second-bottom Rugby Town to move nine points clear.
Ryan Qualter broke the deadlock to give the leaders the advantage two minutes after half-time. Spencer Harris doubled their lead after 65 minutes before a David Kolodynski effort five minutes later led to a nervy final 20 minutes.
Fourth-placed Newcastle Town were held to a 1-1 home draw by Belper Town, whose Alex Steadman cancelled out Jordan Cole`s 22nd minute `Castle opener in the 65th minute.
Neighbours Leek Town tipped AFC Rushden & Diamonds out of the top five after a 2-1 Harrison Park victory over third-bottom Loughborough Dynamo.
Rob Stevenson after 11 minutes and Alex Morris on 56 minutes had the home side comfortable, although a stoppage time Ashley Hodgkinson goal earned Dynamo a consolation.
Basford United missed the opportunity to move into the top five when they lost 2-1 at Kidsgrove Athletic, who are now ninth.
Arron Johns gave Grove the boost of an early fifth minute opener. But Kieran Wells` 24th minute leveller looked like earning United a point until Harry Clayton popped up with Grove`s winner in stoppage time.
Lincoln United`s outside chances of making a top five bid were boosted by a 2-0 Ashby Avenue win over fourth-bottom Carlton Town, thanks to a brace from Conner Robinson in the 41st and 86th minutes.
Northwich Victoria moved to within a point of second-bottom Rugby after earning a 2-2 draw at the Oval against Bedworth United.
David Short gave Vics the lead three minutes after half-time, and they held that until the 75th minute when Dan Creaney equalised. But Yaw Gyimah restored Vics` lead two minutes later, only for Creaney to snatch his second two minutes from time.
Elsewhere in the depleted programme, Stamford AFC beat Romulus 4-2 at the Zeeco Stadium.
Jordan Smith bagged a brace for the Daniels with Jordan Hempenstall adding a third before half-time before a Jordan Francis strike just past the hour mark and a Danny Draper own goal six minutes later brought the visitors back into it. Jake Duffy settled any Stamford's nerves nine minutes from time.
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