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GB's Emma Raducanu produces another superb performance to beat Shelby Rogers 6-2 6-1
German fourth seed Alexander Zverev beats Italian Jannik Sinner 6-4 6-4 7-6 (9-7)
Olympic champion Bencic through to US Open quarter-finals
World number one Novak Djokovic faces USA's Jenson Brooksby
That's me done.
Keep an eye across the website for all the reports, reaction and round-ups of the US Open action.
You can still listen to Novak Djokovic's match and updates from the others in action on BBC Radio 5 Live so stick it on.
See you soon!
There's still plenty of tennis to be played tonight in New York.
Sixth seed Matteo Berrettini has just started his match against German Oscar Otte over on Louis Armstrong.
World number one Novak Djokovic takes on American Jenson Brooksby on Arthur Ashe in the evening session, before Canadian sixth seed Bianca Andreescu faces Greek 17th seed Maria Sakkari.
Czech fourth seed Karolina Pliskova takes on Russian Anastasia Pavlyuchenkova on Grandstand later.
Coco Gauff is among those in doubles action now too.
Britain's Jamie Murray reached his seventh successive US Open quarter-final after he and Brazilian partner Bruno Soares beat Dominik Koepfer and Emil Ruusuvuori in the men's doubles.
They are joined by Joe Salisbury, with the Briton and American Rajeev Ram winning a tight encounter against Rohan Bopanna and Ivan Dodig.
Compatriot Jonny O'Mara and partner Aisam-ul-Haq Qureshi from Pakistan lost 7-5 7-5 to Marcel Granollers and Horacio Zeballos.
Alexander Zverev reached the quarter-finals with a straight-set victory over Jannik Sinner.
The German, who lost to Dominic Thiem in last year's final in New York, beat Italy's Sinner 6-4 6-4 7-6 (9-7).
Olympic champion Belinda Bencic came through a punishing match against Iga Swiatek in humid New York conditions.
The Swiss, 24, won a mammoth first set tie-break to set up a 7-6 (14-12) 6-3 win over the seventh-seeded Pole.
#bbctennis
Kyle Utterson: Raducanu's performance all round was sensational. Great defensively and saving break points. She has a fantastic serve and backhand or forehand she hits winners for fun. What ever she achieves now is a bonus but she could win this tournament. She's that good.
Match report...
British teenager Emma Raducanu put in another devastating performance to reach the US Open quarter-finals as her dream New York debut continued.
The 18-year-old qualifier, yet to drop a set here, won 11 games in a row in a 6-2 6-1 win over Shelby Rogers.
In the biggest match of her life, on the biggest tennis court in the world, Raducanu recovered from a break in the opening game to dominate in style.
She will face Olympic champion Belinda Bencic for a place in the semi-finals.
A reminder that Emma Raducanu hasn't dropped a set at the US Open so far.
Incredible!
Image source, Getty Images#bbctennis
Tom Bettam: British tennis has a new star. Emma Raducanu is the real deal!
Catherine Maris: What a boss Emma Raducanu is! So much exciting tennis ahead for her.
Russell Fuller
Tennis correspondent on BBC Radio 5 Live Sports Extra
Bencic knows what it is like to be a star in her teenage years, and she's now an Olympic gold medallist. Emma will just keep the same routine that has taken her this far.
#bbctennis
Wayne Ellis: Absolutely stunning performance once again by Raducanu. Rare for someone so young to be able to play at such a consistently high level as she has over the last week.
Naomi Broady
British player on BBC Radio 5 Live Sports Extra
It was the foresight and the belief that she could already get through. She's got that self-belief before she's even gone into her first Grand Slam and it's why I'm not surprised or shocked that she's got there. It's right to be excited - not just neccessarily about the future, but about what she is doing right here, right now.
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Miles Maclagan
Former British Davis Cup player on BBC Radio 5 Live Sports Extra
There is something special about Raducanu and the way she takes it all in. My first encounter wih Andy Murray was when he was 16 at Roland Garros and he wasn't overawed by being there, and she reminds me of that. Where is the limit? We just don't know quite yet.
That victory for Emma Raducanu has bumped her up to number 74 in the live world rankings by the way.
She was at 150 going into the tournament.
Naomi Broady
British player on BBC Radio 5 Live Sports Extra
Emma and I have some things in common with our dads being so involved in our tennis and I've played, I think across my career, every tournament you could possbily play. I said to her if you ever have any questions feel free to ask them, and she has done a few times, but she's already so wise. She asked me during the grass court season if she should play mixed doubles and her thoughts were hold on a minute, if I'm doing really well in singles and I'm into the second week, I might be too tired!
So just to confirm, Emma Raducanu will face Belinda Bencic in the quarter-finals.
Bencic, the Swiss 11th seed, beat Polish seventh seed Iga Swiatek 7-6 (14-12) 6-3 earlier.
David Law
Commentator on BBC Radio 5 Live Sports Extra
It's impossible not to be excited. I'm scared to be too full of it over a young player for fear of pulling her into the final before shes even got to the semis, but what it feels like watching this is what it felt like watching Iga Swiatek go all the way at the French Open.
Raducanu has just won a Grand Slam's worth of tennis matches to get to this point, with qualifying and four matches, and she hasn't dropped a set. Bencic will be a really tough match but Raducanu is making this look easy.
Just look.
Image source, Getty Images
Image source, Getty Images
Image source, Getty Images
Image source, Getty Images
Image source, Getty ImagesNaomi Broady
British player on BBC Radio 5 Live Sports Extra
The Belinda Bencic match will be interesting. They will both enjoy each other's rhythm.
Belinda has so much confidence at the moment, coming from the Olympics with a gold medal, but I think there is still so much left in Raducanu.
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Gigi Salmon
BBC Radio 5 Live tennis commentator
I mean, it's unbelievable isn't it, what Emma Raducanu is doing?