It all comes down to this – Australia take on New Zealand in tonight’s game four decider to determine the 2025 Constellation Cup champions.

The Diamonds had the chance to seal the series win on Sunday after two big wins in Australia, but couldn’t get the job done.

And now those wins on home soil count for nothing as the Kiwis could level the series at 2-all tonight.

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STARTING SEVEN

Australia: GS Garbin, GA Austin, WA Watson, C Moloney, WD Price, GD Aryang, GK Bruce

New Zealand: GS Nweke, GA G.Heffernan, WA Reuelu-Buchanan, C Gordon, WD K.Heffernan, GD Burger, GK Jackson

But the Diamonds get one final crack at redemption in Christchurch – win and the Cup is coming home.

Lose? And the series will head to an historic Series Decider extra time for the first time.

“We hope it doesn’t get to that – we hope we can do it in 60 minutes,” Diamonds captain Liz Watson said.

Teams will get a 12-minute break before the extra time begins if needed.

Silver Ferns hit back at Diamonds | 02:46

Australia’s shocking record across the ditch is a worrying factor heading into the decider, with their losing streak now at nine after that game three disaster in Hamilton.

“It’s no lie we have that record here – it’s not awesome,” captain Liz Watson said.

“We’ve got to be able to play anywhere at any time.”

The Diamonds have made one change for the deciding final Test with 192cm rookie Ash Ervin named in place of Matilda Garrett.

The Silver Ferns will go in unchanged off the back of their nine-goal win last Sunday.

The final Constellation Cup Test begins at 5.40pm AEDT from Wolfbrook Arena in Christchurch.

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SQUADS:

Australia: Sunday Aryang, Kiera Austin, Courtney Bruce, Sophie Dwyer, Ash Ervin, Sophie Garbin, Georgie Horjus, Sarah Klau, Cara Koenen, Kate Moloney, Jamie-Lee Price, Liz Watson

New Zealand: Karin Burger, Maddy Gordon, Catherine Hall, Georgia Heffernan, Kate Heffernan, Kelly Jackson, Parris Mason, Grace Nweke, Kimiora Poi, Mila Reuelu-Buchanan, Martina Salmon, Amelia Walmsley