22 GOLDS AT STAKE
Men's 4x100m relay (tomorrow, 9.35am) This will likely be the last time Usain Bolt graces the Olympics, as the Jamaican teams up with his compatriots to defend their 4x100m title. Can he sign off as one of the greatest Olympians with a third straight gold in the event?
Men's singles semi-finals (from 7.30pm)
The ageless rivalry resumes, as Malaysia's world No. 1 Lee Chong Wei attempts to beat China's Lin Dan for the first time in three Olympics. The victor will play Denmark's Viktor Axelsen or Chinese world No. 2 Chen Long.
Men's semi-finals: Spain v United States (tomorrow, 2.30am), Australia v Serbia (tomorrow, 6am)
All four are capable of beating each other on their day, so hot favourites United States have to bring their 'A' game.
Thank you South Africa... I feel proud to be a South African ..Thanks for the Love and Support.. I'll make you proud.
The South African runner breezed to a win in the 800m heats amid a testosterone controversy.
Must say watching @Pandelela_R dive is poetry in motion. She makes it look like she's summersaulting through the air forever.
Malaysia's Minister for Youth and Sports has been supporting his country's athletes in Brazil, including diver Pandelela Rinong.