Postpublished at 14:15 Greenwich Mean Time 23 February 2020
We're out of here for now, though. Amy Lofthouse has made sense of events in Perth and you can read the report here.
Enjoy the rest of your Sunday.
Summary
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
Use audio icon at the top of the page to listen to TMS commentary
In-play highlights available to UK users
Postpublished at 14:15 Greenwich Mean Time 23 February 2020
Postpublished at 14:13 Greenwich Mean Time 23 February 2020
Tomorrow, Australia will look to get their campaign back on track when they meet Sri Lanka at 07:00 GMT.
After that, India take on Bangladesh at 11:00. Both games are at the Waca.
Postpublished at 14:11 Greenwich Mean Time 23 February 2020
Not a bad tournament so far, right? Australia beaten, Thailand impressing, now South Africa surprising England.
get involved Get Involvedpublished at 14:09 Greenwich Mean Time 23 February 2020
#bbccricket
Daniel Potter: Not sure about this new coach, gone downhill badly since Mark Robinson left, 2 openers down to come in at 6 & 7 and put Brunt in ahead of both? Sciver at 3?
Postpublished at 14:08 Greenwich Mean Time 23 February 2020
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End of twitter postPostpublished at 14:07 Greenwich Mean Time 23 February 2020
Remember, England were thrashed by 10 wickets in their final warm-up game against Sri Lanka. All is not well.
Postpublished at 14:01 Greenwich Mean Time 23 February 2020
South Africa are huddling for a team selfie on the outfield. What a moment for them. They will feel right in the hunt for a place in the semi-finals.
Postpublished at 14:00 Greenwich Mean Time 23 February 2020
South Africa captain Dane van Niekerk: "England are some of the best players of spin in the world, but we spoke a lot about our planning and it is nice when that comes together.
"It was a team performance today. I was batting very slow and I felt like I let the team down. I tried to take it deep. Mignon, Chloe and Sune were brilliant."
Postpublished at 13:58 Greenwich Mean Time 23 February 2020
England captain Heather Knight on TMS: "We fought really hard, started well with the bat but the dot balls in the middle cost us. The bowlers responded brilliantly, but it didn't quite come off for us. A brilliant game of cricket, credit to South Africa, they played well. Quite a tight game, so that will take a lot out of us - we've got to park it and move on quickly as we've got a game in Canberra in a couple of days. There are a lot of teams that can win this World Cup, every team has matchwinners. Not too many panic stations - we know we didn't get enough with the bat."
Postpublished at 13:57 Greenwich Mean Time 23 February 2020
All of a sudden, England's game against West Indies next Sunday looks very, very big. Lose that, and they will be as good as out.
Postpublished at 13:55 Greenwich Mean Time 23 February 2020
Nicky Shaw
Ex-England all-rounder on BBC Test Match SpecialThe improvement in South Africa's players in the last few years has been because they've come to Australia and England, played in the WBBL and KSL, and been exposed to a higher standard of cricket.
Postpublished at 13:55 Greenwich Mean Time 23 February 2020
Incredible celebrations from the South Africans. All of the players and staff are out there. England are wearing some very glum faces.
Postpublished at 13:54 Greenwich Mean Time 23 February 2020
Nicky Shaw
Ex-England all-rounder on BBC Test Match SpecialIt was England's to win - and four massive sixes by the South African girls has been the difference.
South Africa win by six wicketspublished at 19.4 overs
SA 127-4
A full toss swung for four!
Mignon du Preez has done it! South Africa beat England for the first time at a T20 World Cup.
Another surprise result. England have very little margin for error from now on.
Postpublished at 13:51 Greenwich Mean Time 23 February 2020
Nicky Shaw
Ex-England all-rounder on BBC Test Match SpecialShe has picked that up and it has gone miles. Fantastic shot. Katherine has missed her execution by a long way.
SA 123-4published at 19.3 overs
Amazing shot from Mignon du Preez! Over long leg for six!
South Africa need one to win.
England are floored.
SA 117-4published at 19.2 overs
Mankad warning. Brunt pulls out of her delivery stride....
Postpublished at 13:49 Greenwich Mean Time 23 February 2020
Nicky Shaw
Ex-England all-rounder on BBC Test Match SpecialI'm not sure my nerves could take a super over.
SA 117-4published at 19.2 overs
Target 124
Brilliant from Brunt. Full length. Inside edge from Luus. Only a single.
SA 116-4published at 19.1 overs
Target 124
Just a single. Du Preez scampers through. Luus on strike. Eight needed.