After Australia retained the Women’s Ashes and set their sights on a series whitewash, Sophia Dunkley declared England’s dressing room “back Heather [Knight] 100 per cent” to lead the group.

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.

England face Australia in the first T20 in the Women’s Ashes – follow score updates, radio commentary and video highlights.

Sophia Dunkley insists England are “100 per cent” behind skipper Heather Knight despite seeing Australia end their Ashes hopes with a resounding 57-run defeat in the first T20 international. Trailing 6-0 in the series as they walked out at the Sydney Cricket Ground after losing each of the three ODIs,