Swimmingpublished at 02:47 British Summer Time 8 August 2016
World record watch
Adam Peaty's world record is 57.55 seconds. One to keep an eye on...
Adam Peaty wins 100m breaststroke gold in world record time
Wales' Jazz Carlin wins 400m freestyle silver 14 minutes later
USA's Michael Phelps wins relay to claim his 19th gold
Murray brothers and Williams sisters out of tennis doubles
Djokovic loses in tennis singles first round
Tom Rostance
World record watch
Adam Peaty's world record is 57.55 seconds. One to keep an eye on...
Men's 100m breaststroke
Men's 100m breaststroke
The biggest minute in Adam Peaty's life is about to arrive. How would you feel, 10 minutes away from an Olympic final? I feel nervous enough just typing about it...
#bbcrio2016
Belle Bumbles: No one seems to have told Novak and Del Potro that our attention is needed elsewhere
Julie Glindon: There's a good reason that the Summer Olympics coincide with school summer holidays
Djokovic 6-7 5-5 Del Potro
Danger averted by Novak Djokovic. Juan Martin del Potro has a couple of sniffs of another break - and the match - but the world number one survives. Nerves of steel.
GB's Andy and Jamie Murray go out of the men's doubles tennis after losing to Brazil's Thomaz Bellucci and Andre Sa in a dramatic tie-break.
Men's 100m breaststroke final (02:53 BST)
Great Britain could, should, win a medal!
Women's 100m breaststroke semis
Rebecca Adlington
Double Olympic gold-medal winning swimmer on BBC One
The boos were so loud when she came out to swim. I'm glad the crowd did do that. It's a shock to us all that she is here. Yulia Efimova shouldn't have been allowed to compete. She shouldn't be here.
Women's 100m breaststroke semis
Lilly King of the US wins the second semi, from Jinglin Shi and Katie Meili.
Djokovic 6-7 4-5 Del Potro
All happening in the tennis tonight. Novak Djokovic is in real danger of going out of the men's singles. He's serving to stay in the tournament against London 2012 bronze medallist Juan Martin del Potro...
Brazil 0-0 Iraq
Brazil - hosts, skippered by Neymar - drew 0-0 with South Africa in their opener and now they are being held by Iraq after 38 minutes...
Women's 100m breaststroke semis
Go time in the second semi.
Britain's James Guy made the final of the 200m free - but only just.
Here's the finish.
Twenty minutes to Peaty
Adam Peaty goes for gold at 02:53 BST.
Britain's first medal of the Games? A gold and a world record? That's what the world expect.
Women's 100m breaststroke semis
Steve Parry
Olympic bronze medal swimmer on BBC Radio 5 live
There is a distinct uncomfortable feeling around the pool with boos for Yulia Efimova.
Women's 100m breaststroke semis
There were definite boos inside the pool when Yulia Efimova won that race...
Women's 100m breaststroke semis
The controversial Yulia Efimova wins her semi-final, ahead of Ruta Meilutyte. Chloe Tutton finished sixth.
Tom Fordyce
Chief sports writer in Rio
Need a little help staying awake until Adam Peaty's final? Take a little inspiration from the man himself. On his Instagram account, Peaty has posted a video of himself doing a jumping press-up - not just a hand-clap press-up, but one where his feet come clear off the deck as well. A couple of those should get the pulse going. Or possibly rupture something.
Women's 100m breaststroke semis
The first semi is away. Briton Chloe Tutton up in lane seven.