Old Boys showed their improvement with a 1-0 victory over Ramsey in the MBL Floodlit Cup on Sunday.
A first half strike from Rachael Warrilier-Grant settled the contest at the Bowl.
The other Group B tie went to form with Castletown, - who have already qualified for the semi-finals – seeing off southern rivals Colby 3-0, courtesy of goals Dawn Winn (two) and Trisha Fleming.
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They beat Southern Nomads to progress