Kyle Edmund beat Steve Johnson to reach the semi-finals of the Winston-Salem Open.
The British number two, 22, came from a set down to defeat American world number 46 Johnson 5-7 6-3 6-3 in North Carolina.
Edmund, 45th in the rankings, will play Bosnian Damir Dzumhur or South Korea's Hyeon Chung in the last four.
Meanwhile, Britain's Cameron Norrie is one victory from the US Open after his latest victory in qualifying.
The 22-year-old world number 226 beat Sekou Bangoura 6-4 7-5 in the second round of qualifying and will now play Japanese 33-year-old Go Soeda, ranked 131, for a place in the first round proper.