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.

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.

July 25 (Reuters) - Emma Raducanu beat four-times Grand Slam champion Naomi Osaka 6-4 6-2 in their first career meeting to reach the quarter-finals of the Washington Open on Thursday. Raducanu, U.S. Open champion in 2021, next faces former world number three Maria Sakkari after the Greek stunned American second seed Emma Navarro in straight sets.