Michael Phelps won his 19th Olympic gold last night. No medals tonight but he can set a marker down for number 20 here. Looks super focused.

Having none of Chad le Clos's small talk. AWAY! 

Michael Phelps looks cool as you like backstage, Chad le Clos is staring him out. These two are big rivals...

Laszlo Cseh wins his semi in 1:55.18, with Japanese duo Daiya Seto and Masato Sakai rounding out the top three. 

Laszlo Cseh leading from the front here...

Brazilian Kaio Marcio gets a Titanic reception as he lines up in the blocks. Hungarian Laszlo Cseh is the man most likely to threaten the Phelps/Le Clos duo in the second semi. 

Hungary's Katinka Hosszú wins her second gold medal, this time in the women's 100m backstroke, following victory in the 400m individual medley.

The men's 200m butterfly final on Tuesday night promises to be one of the swims of these finals. They go head to head in the semi shortly. 

GB's James Guy has to settle for fourth as  favourite Sun Yang of China takes gold in the men's 200m freestyle.

Don't worry just visit the BBC Sport website and catch up with the best of tonight's swimming, tennis, table-tennis, volleyball and basketball.

Click here to watch the best catch up videos in our Rio 2016 Playlist

Yulia Efimova: "I'm just happy to be here. A week ago I didn't even know if I'd race, because I'm Russian."

Image source, .

Paul Drinkhall: "He's a great player, a couple of points here or there could have changed the game.

"I believe in myself, I want to win, I saved some match points and felt in the game."

No more medals to be won on Rio day three. But Michael Phelps is in the pool next. 

Paddy Ham: Yes Lilly King!!!! That's justice right there and the biggest middle finger you can give to Yuri Efimova.

It was rather frosty...

Team GB's Paul Drinkhall was beaten by Vladimir Samsonov - but what a rally this was!

Adrian Moorhouse
1988 Olympic 100m breaststroke champion on BBC TV

"Lilly King was not going to lose that. I thought at 80m that Efimova was going to come through. But King dug in. She was propelled by something special. It is her first Olympics - what a future she has ahead of her."

Team USA's Ryan Murphy wins gold in the men's 100m backstroke final whilst breaking the Olympic record.

Lilly King clocks 1:04.93, six tenths outside of the world record. 

Katie Meili of the US takes bronze.