Australia move to unassailable eight points in Womens Ashes to retain trophy; hosts win first T20 in Sydney by 57 runs as Beth Mooney (75) stars; England, for whom Sophia Dunkley (59) top-scores can s

Australia retained the Women's Ashes with three matches to spare following their 57-run victory over England in the opening Twenty20 international in Sydney on Monday.

Alyssa Healy has a recurrence of the foot injury she picked up in the T20 World Cup and misses the opening T20 game with England.

Australia chased down the target in 6.4 overs with opener Katy Pelle remaining unbeaten on 29 off 18 balls. In Kuching, rain played spoilsport with the match between Samoa and Nigeria abandoned without a single ball bowled.