Hosts NW Warriors made it two wins from two as they beat Leinster by 65 runs.
The Warriors were helped by the waywardness of the Dubliners attack who conceded 49 wides and 7 no-balls in their 62 extras, helping the Warriors to 206.
Fox Lodge opener Mollie Device top-scored with 35 before retiring, while there were runs too for Alana Dalzell (27) and Zara Craig (23).
The Clontarf duo of Lucy Barry (3-53) and Christina Coulter-Reilly (2-29) were among the wickets.
Leinster struggled against the Warriors attack with Sophie Stewart's 36 the best of their 141 - three wickets for Bready's Cody Wallace on her home ground, and two apiece for Mollie Devine, Charley Scott and Arianna McKenna.
Ireland U17's beat the NCU by 91 runs in the second round of games in the Women's Future series at Bready.
The Irish teenagers made 210 with runs for Isabel Light (42), Julie McNally (30) and Ellie McGee (25), as well as 56 extras.
Abbi Leckey took three wickets while there were two apiece for Evans and Aoife Fisher.
The CSNI opener was again top-scorer for the Belfast side, making 37 in the chase, but despite runs too for Muckamore's Ciara Murray (27), they were bowled out for 119 - four wickets for Annabel Squires.
The sides now have Wednesday off before the series resumes in Belfast on Thursday and Friday.