We'll be back for the men's game between the same two sides shortly.
'She always wants to practice speccies'
Welsh Fire wicketkeeper Sarah Taylor, speaking to Sky Sports: "We asked a lot of them [bowlers and fielders] going out to field. It probably wasn't a total we wanted.
"We turned it on - catches, ground fielding and bowled very well as well. That was a superb performance."
On Katie George's catch: "She is so good. She practises that all the time. She always wants to practice speccies. I am sure she will enjoy that."
Post update
Welsh Fire are up to fourth in the table now, level on points with the Invincibles who are third.
Post update
Sarah Taylor is named the Match Hero for her 29 runs, a run out and a stumping.
Post update
Alison Mitchell
Commentator on BBC Radio 5 Live Sports Extra
Welsh Fire have got their second win on the board. Could this really kickstart their campaign?
Post update
A win for Welsh Fire but there is absolutely no doubt about the moment of that game.
Katie George, take a bow...
BreakingWELSH FIRE WIN BY 12 RUNS
We said Oval Invincibles were big favourites at halfway but Welsh Fire really delivered with the ball. Oval Invincibles made a decent enough start but from there they were squeezed and squeezed by a good bowling and excellent fielding.
Post update
Alison Mitchell
Commentator on BBC Radio 5 Live Sports Extra
Big smiles for the Welsh Fire.
WICKET
Gray st Taylor b Cleary 4 (Invincibles 97-9)
Four and out for Eva Gray. There's just time for Sarah Taylor to get her customary stumping.
Invincibles 97-8
Aussie Piepa Cleary will bowl the final five with Eva Gray on strike. Gray steps across... she's got four!
16 from four balls needed.
Invincibles 93-8
Five balls left. 20 runs needed. I don't think so.
Getty ImagesCopyright: Getty Images
Post update
Alison Mitchell
Commentator on BBC Radio 5 Live Sports Extra
I think the key for the Invincibles is to not hit the ball wherever Katie George is fielding!
WICKET
Farrant c George b Matthews 4 (Invincibles 93-8)
Another big swing. Another big wicket. Tash Farrant falls. Welsh Fire have been very good in the field.
Post update
Tymal Mills
Southern Brave bowler on BBC Radio 5 Live Sports Extra
It was a good comeback from Hayley Matthews. They'll be glad to see the back of Gardner after those few boundaries.
Next batter: Sarah Bryce
BBC Sport/Getty ImagesCopyright: BBC Sport/Getty Images
WICKET
Gardner c Luff b Matthews 12 (Invincibles 92-7)
Ah. Not to be. Jo Gardner threatened the spectacular but, after hitting a four, falls for 12 from five balls.
That really will be that.
Invincibles 92-6
Jo Gardner has got this one for four too! The crowd believes.
Invincibles 88-6
Just the single to Farrant. Over to Gardner...
Post update
Tymal Mills
Southern Brave bowler on BBC Radio 5 Live Sports Extra
I don't think the men's boundary will be any bigger than that for this afternoon. That's a huge six.
Invincibles 89-6
Need 25 more runs to win
Six!
Gardner makes the most of that reprieve by pumping a big, big six.
Live Reporting
Matthew Henry and Ffion Wynne
All times stated are UK
Getty ImagesCopyright: Getty Images 
BBC Sport/Getty ImagesCopyright: BBC Sport/Getty Images 
Latest PostPost update
That was quite the win for Welsh Fire. Sarah Taylor was like the Sarah Taylor of old and Katie George pulled off a stunning catch in the field.
You can read all about the game here.
We'll be back for the men's game between the same two sides shortly.
'She always wants to practice speccies'
Welsh Fire wicketkeeper Sarah Taylor, speaking to Sky Sports: "We asked a lot of them [bowlers and fielders] going out to field. It probably wasn't a total we wanted.
"We turned it on - catches, ground fielding and bowled very well as well. That was a superb performance."
On Katie George's catch: "She is so good. She practises that all the time. She always wants to practice speccies. I am sure she will enjoy that."
Post update
Welsh Fire are up to fourth in the table now, level on points with the Invincibles who are third.
Post update
Sarah Taylor is named the Match Hero for her 29 runs, a run out and a stumping.
Post update
Alison Mitchell
Commentator on BBC Radio 5 Live Sports Extra
Welsh Fire have got their second win on the board. Could this really kickstart their campaign?
Post update
A win for Welsh Fire but there is absolutely no doubt about the moment of that game.
Katie George, take a bow...
BreakingWELSH FIRE WIN BY 12 RUNS
We said Oval Invincibles were big favourites at halfway but Welsh Fire really delivered with the ball. Oval Invincibles made a decent enough start but from there they were squeezed and squeezed by a good bowling and excellent fielding.
Post update
Alison Mitchell
Commentator on BBC Radio 5 Live Sports Extra
Big smiles for the Welsh Fire.
WICKET
Gray st Taylor b Cleary 4 (Invincibles 97-9)
Four and out for Eva Gray. There's just time for Sarah Taylor to get her customary stumping.
Invincibles 97-8
Aussie Piepa Cleary will bowl the final five with Eva Gray on strike. Gray steps across... she's got four!
16 from four balls needed.
Invincibles 93-8
Five balls left. 20 runs needed. I don't think so.
Post update
Alison Mitchell
Commentator on BBC Radio 5 Live Sports Extra
I think the key for the Invincibles is to not hit the ball wherever Katie George is fielding!
WICKET
Farrant c George b Matthews 4 (Invincibles 93-8)
Another big swing. Another big wicket. Tash Farrant falls. Welsh Fire have been very good in the field.
Post update
Tymal Mills
Southern Brave bowler on BBC Radio 5 Live Sports Extra
It was a good comeback from Hayley Matthews. They'll be glad to see the back of Gardner after those few boundaries.
Next batter: Sarah Bryce
WICKET
Gardner c Luff b Matthews 12 (Invincibles 92-7)
Ah. Not to be. Jo Gardner threatened the spectacular but, after hitting a four, falls for 12 from five balls.
That really will be that.
Invincibles 92-6
Jo Gardner has got this one for four too! The crowd believes.
Invincibles 88-6
Just the single to Farrant. Over to Gardner...
Post update
Tymal Mills
Southern Brave bowler on BBC Radio 5 Live Sports Extra
I don't think the men's boundary will be any bigger than that for this afternoon. That's a huge six.
Invincibles 89-6
Need 25 more runs to win
Six!
Gardner makes the most of that reprieve by pumping a big, big six.
She couldn't, could she?