Postpublished at 11:03 Greenwich Mean Time 23 February 2020
Alex Hartley
England spinner on BBC Test Match Special
You really need Dane van Niekerk to have a word with the bowler here. She's inexperienced and has to change something.
SA (127-4) win with two balls to spare
Van Niekerk (46) & Kapp (38) share stand of 84
England post 123-8
Sciver makes half-century from 40 balls
Adds 32 with Brunt in three overs
England were champions in 2009 and three-time runners-up since
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Mark Mitchener and Stephan Shemilt
Alex Hartley
England spinner on BBC Test Match Special
You really need Dane van Niekerk to have a word with the bowler here. She's inexperienced and has to change something.
Mlaba's combined international bowling figures from her first five T20 games are 0-94 from 10 overs. So she's yet to take a wicket.
Her third ball is a juicy full toss which Amy Jones blasts back down the ground for four. Next ball is a bit better, but gets the same treatment from Jones - another lofted four!
Alex Hartley
England spinner on BBC Test Match Special
Spin is a good plan from South Africa, especially to Danni Wyatt.
South Africa are opening with pace off the ball - teenage left-arm spinner Nonkululeko Mlaba. Here we go.
Alex Hartley
England spinner on BBC Test Match Special
Danni Wyatt isn't much of a talker in the middle. She just wants to get on with it.
South Africa run out onto the outfield, with captain Dane van Niekerk absolutely sprinting out there at the front. England go with their usual openers Amy Jones and Danni Wyatt.
Nicky Shaw
Ex-England all-rounder on BBC Test Match Special
Amy Jones and Danni Wyatt have both played very well on this ground before. It's probably better for them to play here than at the new Perth Stadium.
Alex Hartley
England spinner on BBC Test Match Special
England have been out there a while, they will be used to these conditions, but Perth is hotter than anywhere else in Australia.
The anthem cuts out after the first couple of lines, but swiftly comes back - causing much amusement among the England players and support staff.
There's a smattering of Proteas shirts in the crowd, the fans singing along to the anthem. Time for "God Save The Queen".
#bbccricket
David: Which ground are they on here? The old Waca with the treacherous wind? Or the new Waca (if that's what it's called)? Shabnim Ismail's going to be a handful if we're on the old ground.
It's very much the "old" Waca - not the new (enclosed) Perth Stadium.
National anthem time - South Africa's stirring, multi-lingual anthem up first.
Alex Hartley
England spinner on BBC Test Match Special
England are under pressure after that loss to Sri Lanka. They will really be feeling it.
Players now walking out. It's nearly 7pm in Perth, no need for the mascots to be wearing protective sunhats as they were yesterday.
Nicky Shaw
Ex-England all-rounder on BBC Test Match Special
All Waca pitches generally have good pace and bounce. Last night we saw swing and it also turned when the bowling was slower. Maybe South Africa think there is a little weakness in the England batting.
Floodlights are on at the Waca. England and South Africa are waiting in a tunnel with flashing blue and pink lights, which Henry Moeran on TMS compares to a rather dodgy nightclub.
Alex Hartley
England spinner on BBC Test Match Special
If I were South Africa, I'd have batted first and taken the chance to put England under the pump, so I'm surprised they're fielding.
Amy Lofthouse
BBC Sport at the Waca
In this photo there are three World Cups and one Henry Moeran...
BBC Test Match Special
It's 10:45 GMT, and time for Test Match Special to take to the airwaves - you can listen via BBC Radio 5 Live Sports Extra or the audio icon at the top of this page.
Henry Moeran will be leading proceedings, with two World Cup-winning England internationals in the ranks today - Nicky Shaw and Alex Hartley.
Mignon du Preez today becomes the first South African - and the 13th overall - to play 100 women's T20 internationals.
West Indies' Shemaine Campbelle reached the landmark yesterday. Congratulations to them both.