Britain's Emma Raducana is through to the quarter-finals of the Washington Open after beating Naomi Osaka in straight sets but Cameron Norrie, Dan Evans and Venus Williams lose.

Emma Raducanu is into the semi-finals of the Washington Open after a straight sets win over Maria Sakkari. The British number three secured a 6-4, 7-5 victory in DC to move into the last four. It

Emma Raducanu is on track to secure herself a vital seeding for the US Open after blowing away Maria Sakkari to reach the Citi Open semi-finals. Raducanu defeated Sakkari on her 30th birthday to return to the top 32 of the live rankings - a three-year high for the British star.

WASHINGTON -- WASHINGTON (AP) — Emma Raducanu dominated her first career matchup against Naomi Osaka, winning the showdown at the D.C. Open on Thursday between past U.S. Open champions 6-4, 6-2.

Emma Raducanu is chasing her second title of her career and has made another stride toward it. She is in Washington for the WTA 500 Citi Open and has booked a spot in the quarterfinals after knocking out Naomi Osaka 6-4,

Emma Raducanu will attempt to break new ground in the Washington quarter-finals on Friday as she takes on a familiar opponent in Maria Sakkari. The Brit has reached the last eight every time she’s played the Mubadala Citi DC Open, and is seeking her first semi-final in the US capital.