Unbeaten Sue Tymon and Chris Pilai led Strensall to a first win in division nine of the IT Sports Mixed Tennis League after being relegated last year.
They beat Rufforth after coming from behind in the final round.
The top two teams’ tussle between Riccall and Stamford Bridge when Bridge’s way as they went top.
David Lloyd are just two points behind as Heworth could find no way past Maxine Gordon and David Morritt.
Dunnington are back at the top of division one with a win at Fulford seconds thanks to top scorers Nicky Mooney and Matthew Stephenson.
Poppleton’s consistent Belinda Turnbull and Michael Binns were unbeaten in the win over York 1.
The top three teams all won in division three – Stamford Bridge denting Sutton-on-Derwent’s promotion push, Helen Leach and Simon Watson dropping only four games against Sherburn and Rowntree Park beating Manor Civil Service.
Wigginton remain at the foot of the table despite their first win against Stillington.
David Lloyd look unassailable in division four where they opened a five-point gap between themselves and closest rivals Appleton Roebuck, who beat Riccall in a close match with the vital winning rubber won in the last round 12-0 by Judy Marriott and Paul Kaye.
York joined Appleton on the same points after Karen Retief and Gordon Bruce won 32 games at Stillington.
Unbeaten Dunnington still top division five with a win at Cawood with the new pairing of Sue Sumner and Brad Swainston proving unstoppable.
Poppleton stay second led by Rosie Cantrell and Rab McEwan against the other promotion hopeful Castlegarth.
Just one point separates the top four teams in division six – headed by Alne just ahead of David Lloyd who narrowly beat Wigginton, who triumphed at Wilberfoss by just two games in a nail-biting finish with the lead changing after every round.
In the division seven title race, Dunnington got the better of Bishopthorpe, for whom Jane Parkin and James Field had excelled in a defeat of York.
Naomi and Brian Fulton led Stamford Bridge to another heavy scoring win in division ten against Stillington to oust Wistow from top spot.
Bishopthorpe are still in the mix just one point behind after Linda and David Moore combined to ensure the points against Wilberfoss.
Dunnington secured their first win inspired by Liz Stacey and Nick Lee.
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