Icy greens made putting difficult for the latest round of Greetham Valley Ladies’ winter order of merit.
Ellie Haughton coped best to extend her overall lead with her second successive win thanks to a haul of 39 points.
Annie McCulloch was second with a hard-earned 35, and 2015 ladies’ captain Bev Dolman posted 34 points to take third.
* Round five of the winter league saw Steve Burgon and Steve Chisholm stretch their lead to three points in Division One by beating Gary Moat and Adam Smith 3 and 2.
Gary and Adam are tied for second spot with Dennis Millington and Fred Aspin who won 6 and 5 on Sunday.
In Division Two, Ian Bain and Dave Morgan lead the way with maximum points after an emphatic 4 and 2 victory over Peter Zimmer-Smith and Bill Skinner, while second-placed Neil Crees and Carl Causbrook beat Paul Jenkinson and David Copley 6 and 5.
Pete Dickinson and Peter Smith, champions for the last two years, had a tough fight against John Sparks and George Grant in Division Three before eventually winning on the 18th to build a five-game winning run.
Chris Steele and Darren Haughton also had a tough fight in beating James Ablett and Tom Haynes 3 and 2 to move into second.
Alan Bennett and Steff Dutton lead Division Four with the maximum 10 points after defeating Graham Day and Peter Key 4 and 3. Father and son Paul and Adam Clegg are second after dispatching Alley McNaughton and Dave Pusch 3 and 1.
They are all trying to qualify for the quarter-finals on March 1.