Women's Premiership leaders Sion Swifts beat Cliftonville 6-4 while champions Linfield and Glentoran also earned victories on Wednesday night.
NI striker Kirsty McGuinness bagged a hat-trick at Solitude with Erin Fildara, Kerry Brown and Leontia McVarnock also on target for Sion.
Casey Howe hit five goals as Linfield hammered Derry 7-0 while Kerry Beattie gave the Glens a 1-0 win at Crusaders.
The Swifts sit three points clear of the Blues and Glens.
Claire Rooney netted and Marissa Callaghan scored a double for a Cliftonville side which was trailing 5-2 when substitute Megan Moran was dismissed in the second half.
Rebecca McKenna and Ebony Lecky were also on target for Linfield against the bottom side at the Brandywell while a 64th minute strike from Northern Ireland international Beattie proved decisive for the Glens.
Linfield and Glentoran may lie three points behind Sion but both have a game in hand on the pacesetters.