Goals from Scott Barrow and Chris Holroyd have earned Macclesfield Town a surprise 2-1 victory over Conference Premier leaders Barnet.
The Londoners had the better of the fixture at Moss Rose but two second-half strikes saw their lead at the top of the standings cut to three points.
Gateshead have moved into second place after a double from Jon Shaw gave the North-East side a 2-0 victory over Alfreton Town.
Halifax Town failed to fully capitalise on Barnet's loss as they were twice pegged back by Wrexham, who had Louis Moult to thank after he netted two second-half goals.
Bristol Rovers have moved into fourth position after a Matty Taylor effort was enough for them to edge past Dartford by a 1-0 scoreline.
Forest Green Rovers made it seven points from nine with a narrow triumph at AFC Telford United, who continue to struggle after promotion last season.
Altrincham's solid form continued as they earned a goalless draw at Grimsby Town, while Chester FC overtook Aldershot Town in the table after a 1-0 win at the Deva Stadium.
Nuneaton Town moved closer to exiting the relegation zone after prevailing from a five-goal thriller with Dover Athletic, with the final match of the evening seeing Southport and Lincoln City sharing six goals at Haig Avenue.
Results in full: AFC Telford United 0-1 Forest Green Rovers, Bristol Rovers 1-0 Dartford, Chester FC 1-0 Aldershot Town, Halifax Town 2-2 Wrexham, Gateshead 2-0 Alfreton Town, Grimsby Town 0-0 Altrincham, Macclesfield Town 2-1 Barnet, Nuneaton Town 3-2 Dover Athletic, Southport 3-3 Lincoln City
