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Maia Bouchier has been patient since lunch, as previously mentioned, but from nowhere she goes into white-ball mode with a dismissive lofted drive down the ground for a one-bounce four.

Gorgeous shot from Maia Bouchier, who has been kept quiet since lunch but latches on to some width from Ayana Hlubi and softly guides the ball down to the deep third boundary.

Meanwhile, Tumi Sekhukhune keeps us entertained by desperately trying to keep her wide-brimmed hat in place against the wind, eventually giving up the fight and tucking it into her trousers.

Henry Moeran
Test Match Special commentator

This feels like an important point in the game for England. They only have two dedicated batters left in Danni Wyatt-Hodge and Amy Jones so if South Africa can get a few more wickets they will feel happy.

Nat Sciver-Brunt at her very best, whipping a fuller delivery from Tumi Sekhukhune off her pads for a crisply-timed four.

She then indicates to Maia Bouchier that the ball is moving through the air, but evidently she's reading it pretty well.

Lydia Greenway
Former England batter on BBC Test Match Special

You learn so much about your own game when you are playing longer format cricket. The technique which you thought was okay in T20 suddenly gets exposed and you have to work out how to fix it.

It's a great challenge as a cricketer.

Lovely over from Ayanda Hlubi with just a single from it.

She's still quite raw and struggles for control but she's got a beautiful action and I think she looks like she will be a good prospect for South Africa when she learns her craft a little more.

Lydia Greenway
Former England batter on BBC Test Match Special

This field that South Africa have put in after lunch means the batters need to play a bit squarer and open the blade, which can tend to force mistakes. Heather Knight has fallen victim.

Oh, that's a shocker.

Nat Sciver-Brunt defends nonchalantly to mid-on from her first ball but the fielder just lets it straight through and because of these pathetically small boundaries, the ball trickles away to the ropes.

England's star all-rounder is off the mark with a gift.

South Africa haven't been particularly bad but their inability to execute the basics consistently is really frustrating.

Henry Moeran
Test Match Special commentator

Heather Knight shakes her head and looks frustrated. It was doing enough to come in towards the stumps.

She asks the question of Maia Bouchier but there's no point, she can't do anything.

The afternoon session will get going shortly, and thankfully there is no sign of rain yet but just from looking at the players' and umpires' shirts, there is clearly still a strong breeze to contend with.

Maia Bouchier and Heather Knight skip out to the middle.

Image source, Getty Images

Tom Curran dragged Melbourne Stars out of a spot of bother in their Men's Big Bash opener against Perth Scorchers. The all-rounder hit 37 off 19 balls, with three fours and three sixes, as Stars posted 146-9. Jhye Richardson starred for the hosts with 3-19. You can listen to the Scorchers' run chase here.

You can watch the highlights from Brisbane below. If you like watching Travis Head and Steve Smith bat you're in for a particular treat!

Overnight in Australia, the hosts enjoyed the better of day two of the third Test against Australia, closing on 405-7.

Travis Head and Steve Smith both hit tons in Brisbane.

But there were some moments of joy for India, including a five-wicket haul for Jasprit Bumrah (who else?!) and this moment of Marnus magic, with Labuschagne nicking off after a bail switch...

Elsewhere in the world of women's cricket, the auction for the Women's Premier League is continuing with 19 slots left to be filled by the five teams.

West Indies all-rounder Deandra Dottin was the first to be picked up by Gujarat Giants after a bidding war with UP Warriorz, while South Africa all-rounder Nadine de Klerk will be in a good mood when she returns to the pitch shortly because she was signed by Mumbai Indians.

England all-rounder Danielle Gibson went unsold in the first round of buys, as did Australia leg-spinner Alana King.

Alex Hartley
Former England bowler on BBC Test Match Special

The pitch is pretty dead and flat so it's a tough game if you are a bowler. With the pace of Lauren Filer and the swing of Lauren Bell, England maybe have a bit more to offer.

But then, South Africa have Marizanne Kapp who didn't make much happen.

Srinivas Vijaykumar
Cricviz analyst

Maia Bouchier is the 14th player to score 50-plus for England on debut in Women's Tests. Only three of these players went on to convert the 50-plus score to a hundred.

Thanks, Sam.

A positive morning from England's point of view, with Maia Bouchier cashing in as it already looks like a good toss to have won.

There was one nervy moment when the six she hit to reach her half-century flew towards Marizanne Kapp at deep square leg, but she got away with it and remains unbeaten on 54 while Heather Knight has played more conservatively for her 20.

England on top after the first morning then and they'll hope they get the chance to push on in the afternoon despite the threat of a storm blowing in.

It's dry for now and the ground staff seem confident enough it'll stay that way for a while at least given they've left the covers off.

That should mean there is plenty of cricket for Ffion Wynne to take you through after lunch. Fingers crossed, anyway.

A maiden over from Ayanda Hlubi and that's lunch.

A good session for England and, in particular, Maia Bouchier, who has batted so well to reach a half-century in her debut Test innings.

Tammy Beaumont, having survived an extremely good lbw shout second ball, fell for 21 but that is the only wicket to fall in the morning session.