Barnet have seen their lead at the top of the Conference Premier table reduced to four points after they suffered a 1-0 defeat away at Wrexham.
Rob Evans netted the only goal of a game that also saw Barnet top goalscorer John Akinde dismissed for two bookable offences.
Bristol Rovers were able to take full advantage of the Bees' setback by nicking a 1-0 triumph away at Grimsby Town, thanks to a strike from Tom Lockyer.
That result enabled Rovers to also move ahead of Macclesfield Town in the standings after they could only draw 1-1 away at Southport.
Forest Green Rovers have overtaken Grimsby to move into fourth position despite being held to a 2-2 draw away at Altrincham.
Eastleigh hold on to sixth place despite losing 2-1 at home to Torquay United, but they are joined on 51 points by Halifax Town, who managed a 3-2 success over Dover Athletic.
Woking ensured that they remained ahead of Kidderminster Harriers after Yemi Odubade netted a second-half equaliser to earn a 1-1 draw at Aggborough.
At the foot of the table, Nuneaton Town have moved off bottom spot after a valuable 2-1 victory away at Gateshead, and have been replaced by AFC Telford United, who conceded in the last minute to lose 3-2 at home to Dartford.
Alfreton Town remain in the relegation zone after suffering a 2-1 defeat at Braintree Town, while the other results of the afternoon saw Chester FC and Aldershot Town record narrow wins over Lincoln City and Welling United respectively.
Results in full: AFC Telford United 2-3 Dartford, Aldershot Town 2-1 Welling United, Altrincham 2-2 Forest Green Rovers, Braintree Town 2-1 Alfreton Town, Eastleigh 1-2 Torquay United, Halifax Town 3-2 Dover Athletic, Gateshead 1-2 Nuneaton Town, Grimsby Town 0-1 Bristol Rovers, Kidderminster Harriers 1-1 Woking, Lincoln City 0-1 Chester FC, Southport 1-1 Macclesfield Town, Wrexham 1-0 Barnet
