Emma Raducanu has strung together successive victories on a hard court for just the second time since she won the US Open last year.
Raducanu will hope to carry that momentum through into her first quarterfinal of the 2022 season at the Citi Open on Friday.
She faces a tough test in the form of Liudmilla Samsonova who has ousted a pair of handy players to reach the last eight.
Raducanu booked her place in the quarter-final by claiming a pair of tiebreaks in a tight contest against Colombia’s Camila Osorio.
She had earlier beaten American qualifier Louisa Chirico to return to the WTA Tour with a win in Washington.
Meanwhile, Samsonova gained the last eight by downing fifth seed Elise Mertens 7-6, 6-4.
Samsonova started the tournament by dropping the first set to Ajla Tomljanović before…