Kyle Edmund continued his fine form at the Battle of the Brits event with a straight-set win over Liam Broady.
The 25-year-old put in another strong performance against Broady, hitting 22 winners in a 6-3 6-3 win.
Edmund, ranked 44th, will play Cameron Norrie or Paul Jubb, who meet later on Friday, in the last four.
"I was watching the football last night and I was buzzing. I didn't go to bed until about 2am watching all the videos," said the Yorkshireman.
"But I had to remember I was a tennis player and try to concentrate.