Women's Ashes 2015: England must win at Chelmsford

England must beat Australia at Chelmsford on Wednesday night to keep the Women's Ashes series alive.

They need to win all three of the Twenty20 fixtures to stop their opponents regaining the trophy.

But England are playing at a ground where they have never lost, as BBC Sport's Joe Wilson reports.

You can follow all the action live on Test Match Special on BBC Radio 5 live sports extra & via the BBC Sport website on desktop, tablets, mobiles and app.