Australia posted 269‑7 at Warner Park, with Beth Mooney scoring 65 off 104 and Chris Wareham taking 3‑29. West Indies were bowled out for 179, giving Australia a 90‑run victory.
With the win, Australia secured a 2‑0 lead and clinched the ODI series. New captain Sophie Molineux sat out due to a back injury, watching the match from the sidelines.