Postpublished at 17:54 British Summer Time 11 July 2022
Daniel Norcross
BBC Test Match Special
I despise ice cream.
England 219-5: Lamb 102, Sciver 55; De Klerk 2-44
Lamb hits maiden international ton off 91 balls; Sciver hits 55 after taking 4-59
SA 218 all out - Tryon hits 88
Multi-format currently level at 2-2 after drawn Test
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Sam Drury
Daniel Norcross
BBC Test Match Special
I despise ice cream.
Phil Long
BBC Test Match Special statistician
I think the ice cream van might be closed.
That's nice.
Sophia Dunkley gets off the mark with a cut down to third for a couple.
England's sub fielders Issy Wong and Alice Davidson-Richards are chatting with a group of schoolchildren on the boundary edge. A nice touch.
Ffion Wynne
BBC Sport at the County Ground
It's an interesting move from Lisa Keightley to move Sophia Dunkley up to number three.
She has batted there previously in domestic cricket but her England success has come from batting in the middle order.
It seems they prefer the option of Danni Wyatt acting as England's 'finisher', having opened for a couple of games in the World Cup, and let Dunkley play aggressively early on.
Emma Lamb and Dunkley are very good friends - they played in the England Academy together for many years as teenagers so this won't be unfamiliar territory for them.
Sophia Dunkley is the new batter.
We're used to seeing her come in at five with Heather Knight at three, so this is a change.
Anya Shrubsole suggests it is because England want to be more aggressive at the top of the order but it is worth remembering that is the start of a new World Cup cycle so there will be the future in mind too.
Daniel Norcross
BBC Test Match Special
A big gap between bat and pad. She was right through the shot.
Just what South Africa needed if they are going to put pressure on England.
Beaumont b Kapp 1 (Eng 8-1)
Oh, big wicket!
A little bit of movement back in from Marizanne Kapp and Tammy Beaumont isn't near the pitch of the ball and the delivery sneaks through the airy drive and cannons into middle stump.
Have we got a game on?
Target 219
A tidy start from Ayabonga Khaka with Tammy Beaumont and Emma Lamb just helping themselves to a single apiece.
There's quite a lot of chat from the South African fielders between overs.
Target 219
Emma Lamb is up and running in international one-day cricket.
A bit of width from Marizanne Kapp and the Lancashire opener climbs into it and cuts away to the point fence.
Lovely shot.
Anyway, back to the cricket.
England's chase is about to begin.
Emma Lamb - who is still looking for her first ODI run in her third game - is in the middle alongside Tammy Beaumont.
A reminder that that game is live on BBC One and iPlayer from 19:45 BST. You can also watch it here.
Kick-off is at 20:00.
It should be a great game. Norway are a good outfit.
Text 81111 (standard message rates apply)
I'm hoping the batters can knock this off before England women kick off tonight!
Sam in Leeds
Thanks Sam.
England will surely be the happier of the two sides at the interval.
Who do you reckon is going to win from here? Thumbs up for England, thumbs down for South Africa.
Time for a change now, it's not long until England begin their chase so I'll leave you in the ever capable hands of Callum Matthews.
It all unravelled quickly for South Africa after Tryon fell to Sciver. That was the first of five wickets to go down for just 13 runs in 16 deliveries.
A very efficient moping up of the tail from England with Sciver ending with figures of 4-59.
However, Tryon had other ideas and after bringing up her half-century from 49 balls, kicked on again with a pair of big sixes off Kate Cross!
Chloe Tryon went on the counter-attack for the away side but when Charlie Dean removed Laura Wolvaardt, England would have been confident of wrapping up the innings quickly.
Sophie Ecclestone then ended Sune Luus' miserable time at the crease and when Marizanne Kapp fell to Nat Sciver, South Africa were really up against it.
Katherine Brunt - who else? - got things started for England as she dismissed Andrie Steyn and Lara Goodall in the powerplay.
Let's look back at some of the highlights from that South Africa innings then...