On Dunkley opening the batting: "I've seen her do it in franchise leagues and couple of times and she's been amazing. She's got the shots and the mindset to go out there and do well alongside Danni Wyatt."

On a T20I debut for Issy Wong: "It's been a good month for her. She's been really impressive with how she goes about things. She runs in and tries to take wickets and that's the mindset we want. I'm really excited to see how she goes in what I think is probably her best format."

On Katherine Brunt returning: "It's always great to have Kathy B back. She's the leader of our attack, brings that passion and energy, and obviously skill as well."

South Africa captain Sune Luus: "We would have had a bowl as well.

"We just want to start fresh again. T20 is exciting and short cricket we just want to express ourselves.

"Mignon's [Du Preez] energy is great and she brings the experience among the youngsters as well."

England captain Heather Knight: "It always feels like Chelmsford under lights, it's easier to chase. Quick outfield, small boundaries as well, hopefully we can keep them to an acceptable total and then chase it down.

"A change of format and this is going to be really good preparation for us for the Commonwealths. In T20, it's just about going out there and being fearless, backing our skillset and having a bit of fun with it.

"We really enjoy playing T20, we've been quite successful in it so we want to add the things that we've talked about doing slightly better and maintain the things that we've done well over a number of years."

Heather Knight confirms that Sophia Dunkley will open the batting for England.

Bryony Smith is back in the side after a four-year hiatus and Issy Wong will make her T20 international debut having already made her Test and ODI debut this summer.

Full team news shortly.

Image source, Getty Images

Sune Luus calls incorrectly and Heather Knight fancies a chase under the lights.

Evening!

How are you all? Enjoying the cooler weather I hope!

England dominated South Africa in the ODIs and with the hosts ranked second in the world behind Australia in Twenty20 cricket more of the same could be on the cards tonight.

Let's head out to the toss.

A 3-0 series clean sweep in the one-day internationals means that England can't lose the multi-format series against South Africa.

A win in the first T20 tonight in Chelmsford will mean they wrap up the series with two games to go.

Can they do it? Let's find out.

Image source, Getty Images