Washington Open: Emma Raducanu & Dan Evans reach quarter-finals

Britain's Emma Raducanu said she needed a "monumental effort" to beat her opponent.

The defending US Open champ won in two hours and fifty minutes.

The British number one said it gave him a lot of confidence.

Dan Evans became a Compatriot after American Taylor Fritz died.

Second seed Raducanu and third seed Osorio needed medical timeouts.

It was a huge effort for me to get through that.

There were many moments in both sets where you want to go for the easy option of trying to finish the point early, but I'm just really pleased and proud of how I dug in when it really mattered.

The last eight will be played by Russia'sLiudmila Samsonova.

British number two and 16th seed Evans, who saved match point, faces Japan's Nishioka in the quarter- finals.

He had been wearing a protective boot since Wimbledon because of a foot injury.

"I constantly felt like I was going to pass out, my vision was going fuzzy," he tweeted.

I haven't been able to play in these conditions because I've been nursing my foot.

I can put in on-court work and be prepared for the rest of the year now that my foot is feeling better. I apologize if I worried you.

The British number one beat his opponent in the Los Cabos Open in Mexico.

Defending champion and third seed Norrie will play second seed Auger-Aliassime in the last four, and has lost all four of his previous meetings with the Canadian.

Norrie said he was going to have to play well in order to beat Felix.