Stokesley SC continue to set the pace at the top and they recorded their eighth win in nine attempts comfortably defeating Harton and Westoe.
After taking an interval lead through Nathan Haslam, they finished 3-0 ahead with second-half strikes from Haslam and Craig Johnson.
Darlington RA are second, three points behind Stokesley with a game in hand.
They had to work for victory at Boldon CA who produced a battling performance conceding just one goal to Warren Burn.
Coxhoe Athletic maintained their impressive form and they too were involved in a 1-0 result at Whitehaven where Robert Tones scored the crucial goal after just ten minutes.
Goals were more plentiful at Sport Catterick where six were scored, four of them by Birtley Town who, following a slow start to the season, have moved into fourth position with at least two games in hand on the three sides above them.
Scott Kerr, Carl Pennington, Michael Ford and substitute Keith Foster earned their side a 4-2 victory with Mark Stephenson and Sam Vernells (pen) replying for Catterick.
New Marske and Ryhope CW shared the points in a 1-1 draw. The two goals were scored within four minutes and after James Kesterton had given the home side a 62nd-minute lead, Stephen Rochester pounced with a quick equaliser.
Jarrow produced the highest score of the day when they won 6-1 at Ferryhill Athletic in the Monkwearmouth Charity Cup. Craig Hood (2), Gary Attewell (2), Mark Rumbles and Martin Nugent all struck with Stuart Illingworth claiming a consolation for the home side.
Cleadon SC progressed at the expense of Annfield Plain. The hero was Mark Johnson who rifled a second-half hat-trick, his third goal coming from the penalty spot.
Andy Steel bagged a brace of goals to earn Wolviston their passage into the next round at Cleator Moor Celtic who managed just one goal from Mark Parish.
The tie between Washington Nissan UK and Windscale will be played tonight (7.30pm).
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