Division two leaders Aviva stretched their unbeaten away run to 15 matches after a goalless draw at Crayke in the York Minster Engineering Football League.
That allowed White Horse to move to within five points, although Aviva have five games in hand.
White Horse maintained their unbeaten record with a 4-1 home win over Strensall.
The Church Fenton side scored through Alex Sykes, John Marshall (2) and Jake Longstaff, with the goal of the game. Liam Winfield netted for Strensall.
A second hat-trick of the season for Paul Branscombe helped Rawcliffe to register their first win over Heslington in eight attempts.
Louis Howarth completed the Rangers tally, with John Pipes, scoring for the fourth game on the trot, Tom Sellars, and Stuart Dickenson replying for Heslington.
Back-to-back wins have moved Osbaldwick off the bottom rung of the table for the first time this year.
Mike Whiteley scored the only goal of the game as they won 1-0 at Huby, who are now at the foot.
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