Postpublished at 18:19 British Summer Time 5 July 2021
*Federer 5-4 Sonego
Well, that's a real miss from Federer, spearing a slice volley long from the net, and Sonego has three break-back points...
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
Amy Lofthouse, Harry Poole and Michael Emons
*Federer 5-4 Sonego
Well, that's a real miss from Federer, spearing a slice volley long from the net, and Sonego has three break-back points...
*Federer 5-4 Sonego
Oh!
Federer unfurls a drop shot and Sonego charges it down, getting his racquet right underneath the ball and lobbing Federer to perfection.
Hmm. 0-30...
*Federer 5-4 Sonego
That's excellent serving from Lorenzo Sonego, firing through a love hold.
Roger Federer will serve for the set.
Federer 5-3 Sonego*
Right then.
Can Lorenzo Sonego make Roger Federer serve this one out?
Federer 5-3 Sonego*
Sonego crouches and holds his racquet in front of his face, periscope-like, to bunt back a Federer serve, and Federer promptly takes the ball out of the air and fires it past him for a winner.
A rare fluff on the serve and volley stops Federer holding to love - the first point he's dropped on second serve, actually - before he coughs up a double fault.
40-0 becomes 40-30 before Federer relocates his radar and draws the error out of Sonego.
It's safe to say they're tennis fans in the Tyldesley household.
ITV football commentator Clive always says 'match point' when a team is on the verge of winning a penalty shootout.
Always.
We love it, of course.
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*Federer 4-3 Sonego
Down the line aims Lorenzo Sonego with the forehand - and he misses!
A couple of scrappy forehands have cost the Italian, and he trails by a break in this opening set.
Federer 3-3 Sonego*
Well, that's a nice way to save break point, drop-shotting a stranded Federer.
15-40.
Federer 3-3 Sonego*
A very late call on a whippy forehand shocks Lorenzo Sonego, who looks up at his box before opting not to challenge.
Oh, and it was in! That's a bad time not to challenge. It's taken him 0-30 down and now, another long forehand, gives Federer another three break points...
*Auger-Aliassime 6-4 7-6 (8-6) 3-6 1-3 Zverev
We could be going five on Court One. Alexander Zverev, trailing by two sets to one, has gained an early break in the fourth set against Canada's Felix Auger-Aliassime.
We're five minutes short of three hours' play, but Zverev has just bolted down a serve of 140mph so no signs of tiring.
Federer 3-3 Sonego*
That's three break points been and gone for Roger Federer.
Still, the pressure is right back on his opponent as he rattles through a service hold to love.
Medvedev 6-2 6-7 (2-7) 6-3 Hurkacz*
Second seed Daniil Medvedev has got himself back on track on court two by taking the third set.
The Russian's serve has gone up a few gears - winning three games to love - and he wrapped up the set with a confident forehand winner.
*Federer 2-3 Sonego
Jonathan Jurejko
BBC Sport at Wimbledon
If you’re only just joining us today then you might not be aware the Centre Court capacity has been increased as part of the government’s event research programme.
Up to 75% of the usual 15,000 are allowed in. That, if my GCSE maths serves well, is about 11,250 fans.
And doesn’t it look just bloomin’ lovely to see the old place almost packed again?
*Federer 2-3 Sonego
Into the body goes Sonego's serve, and Federer can't return it.
This time, the two meet at the net, and it's Federer who blinks first, getting a poor drop shot to play with and instead spooning it long.
Sonego, under pressure, holds.
Federer 2-2 Sonego*
And break point number three goes begging as Federer sends an uppish forehand over the baseline.
10 minutes and counting on this service game.
Federer 2-2 Sonego*
A ridiculous point, really, Federer camped at the net, Sonego unable to pass him, but it still takes the Swiss an overhead and then a follow-up winner to get another break point...
Federer 2-2 Sonego*
Sonego rattles down another huge serve to get himself in front, but Federer decides to keep this game going a little longer as he unleashes on a forehand into the corner of the court.
My word.
Federer 2-2 Sonego*
What a serve!
Fast, out wide from Lorenzo Sonego, and a swirling Roger Federer nets his backhand.
40-40.
Federer 2-2 Sonego*
Another chance for Federer as he comes creeping to the net once again and dinks over the ball...
Federer 2-2 Sonego*
Big first serve from Lorenzo Sonego, and Roger Federer smacks it out of bounds!
Back to deuce.