Postpublished at 13:33 Greenwich Mean Time 23 February 2020
Nicky Shaw
Ex-England all-rounder on BBC Test Match Special
If England can get Van Niekerk here, it's England all the way. If Van Niekerk stays in, I'd imagine South Africa will win.
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
Nicky Shaw
Ex-England all-rounder on BBC Test Match Special
If England can get Van Niekerk here, it's England all the way. If Van Niekerk stays in, I'd imagine South Africa will win.
Chloe Tryon is the new batter - she can hit a long ball. Like everyone, though, she needs time to get going. Three dots end the over. 34 needed from 24 balls.
Nicky Shaw
Ex-England all-rounder on BBC Test Match Special
Turning point! I feel this is going to go to and fro between South Africa and England - Alex Hartley said they'd send Chloe Tryon in, and here she comes. If she can get the gas on, it could be South Africa all the way.
Kapp c&b Glenn 38 (SA 90-2)
The breakthrough! England needed this. Marizanne Kapp chips the ball back and Sarah Glenn dives to take the catch off her own bowling. So many twists and turns in this game.
Target 124
South Africa might target Sarah Glenn's final over here. DVN inside-out over extra cover for four. The skipper is on 45.
Target 124
South Africa needed this! Van Niekerk gets across her stumps and swings Shrubsole over long leg for the first boundary in almost three overs. 10 from the over. It turns again...
Target 124
Big shot, but Van Niekerk doesn't even get enough on it to reach the boundary fielder. Again, no urgency in the running. You just feel like the momentum is with England.
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Target 124
Only eight runs from the past two overs. South Africa are having the brakes applied when they should be accelerating. The required rate is above eight...
Daniel Norcross
BBC Test Match Special commentator
On Twitter:, external Loving Alex Hartley redefining what constitutes “getting things wrong” on TMS - “I made a mistake. I didn’t get it wrong.”
England have been a little sloppy in the field, but this dive on the boundary from Fran Wilson turns a boundary into a single.
Alex Hartley
England spinner on BBC Test Match Special
If you look at this game, South Africa should win. But if the run-rate gets higher, they're in trouble.
Target 124
No boundary from the over. Only four singles. Required rate nudges towards eight. If you're new to women's cricket, that is a getting big.
Alex Hartley
England spinner on BBC Test Match Special
If South Africa get a boundary early in the over then rotate the strike, they can easily get the run-rate up to eight or nine.
A sign that England need a wicket. Katherine Brunt is back. Remember, Marizanne Kapp was dropped before she had scored...
Target 124
One area where South Africa are missing out is their running. For example, Heather Knight has to dive to make a stop at extra cover. Plenty of time to get through for the single, but South Africa aren't interested. These things add up in close games.
Every boundary is a big event. Too short from Sarah Glenn, allowing Kapp to cut for four.
Alex Hartley
England spinner on BBC Test Match Special
If anyone's going to get a wicket here for England, it's Sophie Ecclestone.
South Africa have got Chloe Tryon to come in who can win them games, but usually she gets something like 30 off 13 balls but then gets herself out.
Target 124
This is good from Ecclestone. Straight line, arrowed in from round the wicket. Only four singles from the over. South Africa have wickets in hand, but the required rate is above seven.
Amy Lofthouse
BBC Sport at the Waca
Some South Africa fans are sat right below our commentary box and they're currently singing the national anthem to encourage their players. It has, genuinely, never sounded better. There's been some superb support for both sides at this game.