Raducanu effectively overtook Boulter with her victory over Naomi Osaka, the four-time major winner, in the second round in Washington. It followed a similarly impressive victory over the seventh-seeded Ukrainian Marta Kostyuk in Raducanu’s first match.

Emma Raducanu reached the semifinals at the D.C. Open — the biggest tournament where she’s made it that far since her surprising 2021 U.S. Open title — by eliminating Maria Sakkari 6-4, 7-5 on Friday.

Emma Raducanu is making her third appearance in Washington DC, with Maria Sakkari up next in quarter-finals after beating Naomi Osaka in straight sets; The US Open is live on Sky Sports Tennis and Sky Sports+,