Ryhope CW struck four times at home to Thornaby, but still went down to a 6-4 defeat in Division Two.
Gary Mitchell (3), Theo Furness, Kevin Edwards and an own goal accounted for the visitors’ six, with Conor Winter firing a hat-trick in vain for the hosts, backed by a Nathan O’Neill strike.
Gary Pearson’s men will look to bounce back when table-toppers Team Northumbria visit tomorrow.
Easington Colliery succumbed 2-0 to Northallerton, whose goals were scored in the opening 17 minutes by Colin Anderson, from a free-kick, and Stuart Owen (penalty).
Birtley Town did not know what had hit them when they were overwhelmed by a nine-goal blitz from leaders Team Northumbria.
The goals flowed from Dan O’Riley (3), Ben Murdoch, Ben Dibb-Fuller, Gerard Richardson, Lewis Storey, Paul Anthony and Sam Reed.
Team Northumbria have the same number of points as three other sides, with Chester-le-Street second on goals difference.
The Cestrians struck four times at Brandon United, courtesy of Craig Marron (2), Scott Heslop and Craig Nichol, to edge a thrilling 4-3 victory. Kieran Weekes and Vinny Gash, with a brace, replied.
South Shields also scored four times at Willington, who led at the break thanks to Adam Burnicle’s goal
Stephen Ramsey restored parity before Warren Byrne completed a superb hat-trick.
Darlington RA are fourth after Kerry Hedley’s strike sank Billingham Synthonia. Crook lost 2-1 at Alnwick and Tow Law were pipped 3-2 by visitors Whickham.