Having lost to India recently, the West Indies were defeated again, this time at the hands of Australia in their final warm-up match in Cardiff.
The ladies in maroon were all out for 131 from their 20 overs, with 46 from Deandra Dottin.
In reply, the Aussies reached 132 for 4 from 15 overs, with Georgia Voll smashing 77 not out.