Postpublished at 17:18 British Summer Time 13 June
*Zheng 4-2 Raducanu
Is there a slight chance for Emma Raducanu to break back here?
Well, a double fault for Zheng Qinwen brings up 15-30.
And now it's 15-40!
Emma Raducanu shows her brilliant athleticism to get around the court and hit a ing forehand winner for two break points - the first of which Zheng Qinwen saves.
*Zheng 4-2 Raducanu
Is there a slight chance for Emma Raducanu to break back here?
Well, a double fault for Zheng Qinwen brings up 15-30.
*Zheng 4-2 Raducanu
There it is - Zheng Qinwen breaks serve after numerous chances.
It's a rocket of a hit down the line and there's nothing Emma Raducanu can do about that.
* denotes next server
Zheng 3-2 Raducanu*
Zheng Qinwen is hitting it very, very well and brings up another break point.
Surely one of these has got to give.
Zheng 3-2 Raducanu*
And withstand she does!
Emma Raducanu lets out a huge shout as she saves yet another break point with some fine serving.
Zheng 3-2 Raducanu*
Break point Zheng Qinwen.
More pressure for Emma Raducanu to withstand here.
Zheng 3-2 Raducanu*
Emma Raducanu brought up the advantage but sends a forehand long for deuce.
It's tense out here.
Zheng 3-2 Raducanu*
A FIFTH break point saved in this set already by Emma Raducanu and we're at deuce.
Great hitting and great resilience shown by Raducanu so far.
Zheng 3-2 Raducanu*
Zheng Qinwen is back and she waves apologetically to the crowd.
One break point remaining.
Zheng 3-2 Raducanu*
Zheng Qinwen slips again and goes over to her seat to change her trainers. She's not happy with the surface out there.
To be fair, Emma Raducanu did also slip at that end too.
Zheng 3-2 Raducanu*
Zheng Qinwen loses her footing but Emma Raducanu goes straight into the net and Zheng brings up two more break points.
Zheng 3-2 Raducanu*
I say trouble and then she whacks a forehand winner down the line.
15-30.
Zheng 3-2 Raducanu*
Another double fault for Emma Raducanu and she's in trouble on serve once again.
0-30.
Zheng 3-2 Raducanu*
That is a stunning backhand winner from Zheng Qinwen.
As good a strike as you'll see.
0-15.
Zheng 3-2 Raducanu*
Emma Raducanu seems to be flexing her back at the change of ends.
Hopefully nothing serious there.
Zheng 3-2 Raducanu*
Turns out there wasn't a chance as Zheng Qinwen thumps away a winner to keep this quarter-final on serve.
We've seen some high-quality tennis already here.
*Zheng 2-2 Raducanu
From 40-0 to 40-30.
Chance for Emma Raducanu here.
*Zheng 2-2 Raducanu
Zheng Qinwen has just leathered a serve off the knee of a ball kid. Didn't even flinch!
Bet that'll bruise tomorrow.
*Zheng 2-2 Raducanu
Zheng Qinwen is into a nice rhythm on her serve and surges into a 40-0 lead.
*Zheng 2-2 Raducanu
All smiles for Emma Raducanu as she holds serve despite facing three break points.
That'll surely give her loads of confidence!