Defending champions Yorkshire play Hampshire in a title showdown at the County Finals at Brokenhurst Manor today.
Both teams have two wins apiece in the series so far, but Hampshire, the hosts, have edged into the lead on points.
On the second day's play Hampshire swept aside Glamorgan 8-1, while Yorkshire beat Leicestershire and Rutland 6-3.
Hampshire captain Bridget Moore said: "My girls have been brilliant, absolutely fantastic. Now they just have to do it one more time - but it will be tough."
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