Watch up to 12 courts on 'People's Sunday'
Berdych beats Zverev 3-6 4-6 6-4 1-6 on Centre
Tsonga beats Isner 19-17 in epic fifth set
Kyrgios beats Lopez - plays Murray on Monday
Serena Williams beats Annika Beck 6-3 6-0
Zverev 3-6 4-6 6-4 Berdych
Russell Fuller
BBC tennis correspondent at Wimbledon
Tomas Berdych made too many errors in that game and he's been broken. Centre Court rises to Alexander Zverev because he has taken it into a fourth set.
Image source, Getty ImagesZverev 3-6 4-6 6-4 Berdych
Well well well - The Kid takes a deep breath and pulls the Berdych serve apart - to 0-40, three set points, one saved with an ace, another with an overhead, but Berdych lets a forehand slide off his racquet and into the tramlines, and into a fourth we march. To the enormous pleasure of seemingly every patron on Centre.
Zverev 3-6 4-6 5-4 Berdych*
Russell Fuller
BBC tennis correspondent at Wimbledon
Alexander Zverev is showing off the big serve that is going to frighten a few players for years to come. It's already sending a few ripples through Wimbledon.
Image source, Getty ImagesNick Kyrgios talking about his fourth-round match against Andy Murray:
"I've got a game plan, we both know what to expect and I'm really looking forward to it. It should be fun.
"I know what to do but it's hard to execute it against such a top player like him.
"Andy and I joke a lot, there's a lot of banter, he's pretty relaxed. He's a great guy, he backs me up a lot and it's good to have one of the best players in the world on your side. I see him more than I see my family sometimes."
#bbctennis
Maddie Soper: I'm calling it: Zverev is my new favourite, and will definitely win Wimbledon one day
Gabriela Chavez: Two Zverev legs = one Berdych leg
Image source, Getty ImagesZverev 3-6 4-6 4-4 Berdych
Ding follows dong follows ding follows dong - five deuces, six deuces, seven - Zverev hanging in there, all floppy hair and gangling limbs, but he'll send that forehand marginally long, and Berdych has levelled it up...
Frank Keogh
BBC Sport
On a lazy, hazy Sunday afternoon, there is a very chilled-out vibe on the Wimbledon slope, which is variously nicknamed Henman Hill or Murray Mound.
The grassed bank is officially called Aorangi Terrace, but why worry about that when you're sipping a cold one and lapping up some serves and volleys on the big screen.
A grounds pass, which allows access to the hill and all courts other than Centre and Court One, cost just £20 each for People's Sunday.
Jeff Tarango
On BBC Radio 5 live
I wouldn't bet against it. Venus has had two days off and she is going to feel like a whole new woman next week.
Image source, Getty ImagesAfter a 36 game final set, this was the moment Tsonga and Isner's epic finally came to an end...
Tsonga beats Isner
Zverev 3-6 4-6 4-1 Berdych
Jamie Baker
Former GB Davis Cup player at Wimbledon
Image source, Getty ImagesTomas Berdych was virtually faultless for the first hour and a quarter. Now another forehand has got astray. You can see now in Alexander Zverev the form that has got everyone so excited.The crowd have latched onto him because he is the underdog and he is an attractive player to watch.
Isner 7-6 6-3 6-7 2-6 17-19 Tsonga
Helen Wilkinson: Amazing match. Amazing win. Well done Tsonga!
Shazeb Alam: That was the most amazing display of tennis.
Image source, EPAZverev 3-6 4-6 3-1 Berdych
Huge roars from the People of People's Sunday around Centre as the young buck breaks the man 11 years his age to love. Plenty of legs left in this one.
#bbctennis
Isner 7-6 6-3 6-7 2-6 17-19 Tsonga
Mark Petchey
BBC Sport at Wimbledon
People's Sunday sees one of the fan's favourites win. How well Tsonga kept his nerve.
Image source, Getty Images
BBC One
Nick Kyrgios speaking on BBC One: "It was tough heading out there after the delay yesterday. I knew Lopez was going to look to jump on me from the get go.
"I thought the level of tennis was really high. He is not an easy player to play in any circumstances.
"I definitely have the tools to beat Andy Murray. Saying that, he is one of the best in the world and he is probably the favourite now Novak is out
"I’m going to go out there and not do anything different. We are great mates: he’s a great guy, a great player an I’m going to go out there and enjoy it."
Image source, Getty ImagesKyrgios' winning moment
This is the moment Nick Kyrgios secured his date with Andy Murray in the next round.
Isner 7-6 6-3 6-7 2-6 17-19 Tsonga
Stand the stretch-bearers down, turn the emergency soup rations off - Tsonga's wrapped it up before the marathon became an ultra. The fifth longest match in Grand Slam history since the adoption of the 'breaker, that one. No points at all for naming the match on top of the pile.
Isner 7-6 6-3 6-7 2-6 17-18* Tsonga
Mark Petchey
BBC Sport at Wimbledon
Jo-Wilfried Tsonga was jumping for the smash in that game. He may well be jumping for joy soon. In the end it was an unforced error that handed Tsonga the chance to serve out for the match.
Image source, AFPIsner 7-6 6-3 6-7 2-6 17-18* Tsonga
Piers Newbery
BBC Sport at Wimbledon
Having just saved a match point, an adrenaline-fuelled Tsonga thumps away a smash and earns break point... Isner serves it away. But Big Jo gets himself another chance and this time Isner leaks a forehand into the tramlines. The Frenchman will serve for the match, and a late lunch is still possible...
John Inverdale
BBC One at Wimbledon
Image source, Getty ImagesFor the most part on this glorious Sunday afternoon, Nick Kyrgios has been imperious. Look out Andy Murray – this man is playing like a dream. Lopez played really well yesterday but part two belonged almost exclusively to the Australian.