British wildcard Emma Raducanu retires when trailing Ajla Tomljanovic 6-4 3-0
Raducanu left court for medical attention at change of ends & did not return
Roger Federer beats Lorenzo Sonego 7-5 6-4 6-2 to make last eight
Top seeds Novak Djokovic & Ashleigh Barty through in straight sets
Fourth seed Alexander Zverev loses in five sets to Felix Auger-Aliassime
Wins for Angelique Kerber, Ons Jabeur & Aryna Sabalenka
Swiatek 1-2 Jabeur*
Iga Swiatek was broken in game one of her last-16 match with Ons Jabeur but is pushing for a break back in game four.
Swiatek has a break point, but Jabeur saves that one with her second ace of the contest. But 20-year-old Swiatek has had a second chance, but sends a forehand halfway up the net. Deuce
*Berrettini 2-1 Ivashka
Jonathan Jurejko
BBC Sport at Wimbledon
Out on the smallest of Wimbledon's show courts is Italian seventh seed Matteo Berrettini.
It's a very good opportunity to see one of the most in-form players on the ATP Tour, and contender for the SW19 title, at close quarters.
And the Queen's champion is already showing why he is so feared. He broke at the first opportunity against Ilya Ivashka of Belarus.
*Swiatek 0-2 Jabeur
Over on court two, it's been a bad start for former French Open champion Iga Swiatek as she's been broken at the first available opportunity in her match against Ons Jabeur.
There was some great news from Wimbledon last night as they announced that Centre and Number One Court will now be at full capacity for Tuesday’s and Wednesday’s quarter-finals.
Originally, it was proposed that it would just be full capacity for the semi-finals and finals.
The first week of the tournament saw capacity at 50%, so just under 7,500 people at Centre Court, but that will move up today to 75%.
The capacity of Centre Court is 14,979, and the capacity of Number One Court is 12,345 so that's more than 11,200 on Centre and more than 9,200 on One.
Rybakina v Sabalenka
Katie Falkingham
BBC Sport at Wimbledon
Second seed Aryna Sabalenka gets us under way on Court 3 today. She's playing 18th seed Elena Rybakina.
These two have played each other twice in recent times, with Belarusian Sabalenka winning in three sets on both occasions.
Sabalenka is bidding to reach her first Slam quarter-final, but Rybakina will be tough opposition, having won a tournament-leading 96% of her service games in the opening three rounds at Wimbledon.
We're under way with our coverage on BBC Two and the BBC Sport website is the place to go to watch any of the courts.
Click here to choose your match to watch.
Image source, .#bbctennis
Dom Breslin: By far & away the most exciting day in Grand Slam Tennis. Have been lucky enough to be at SW19 on previous #ManicMonday, external 's but this time will be watching from afar. Best of luck to @rogerfederer, external & @EmmaRaducanu, external.
And here is how it stands in the women's singles...
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This is how things are set up in the men's singles.
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Which players have impressed you the most and why? Who's going to win?
Feel free to send us your thoughts on all the action, via #bbctennis on Twitter.
We're asking which players have impressed you the most and why? And also, who's going to win the men's and women's titles?
With no action on court yesterday, Roger Federer took a chance to act as tour guide with this video behind the scenes at Wimbledon.
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For the last time, we had the middle Sunday at Wimbledon as a rest day.
So, have a quick reminder of Saturday's action and watch some of the best bits from day six at Wimbledon, including Emma Raducanu taking court one by storm and an awkward moment for Alexander Zverev.
Wimbledon 2021: Raducanu rules, lockdown hair and awkward Zverev - day six best bits
This is what is coming up today...
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Hello and welcome along to BBC Sport's coverage of day seven of Wimbledon 2021.
It's called Manic Monday as all the matches in the last 16 in both the men's and women's singles will be taking place and as always we've got you completed covered.
We've got full coverage across BBC TV, BBC Radio 5 Live, BBC iPlayer, Red Button and BBC Sport website.
We've got both the men's and women's world number ones in action...
Image source, Getty Images...teenager Emma Raducanu, the last remaining British player in singles' action, is aiming to continue her amazing run and reach the quarter-finals...
Image source, Getty Images...and Roger Federer continues his quest for a 21st Grand Slam title.
Image source, Getty ImagesWhat a day ahead. Welcome to Manic Monday.