Raducanu has already secured British No 1 status with her progress in Washington DC and now faces a final four test against Kalinskaya with Leylah Fernandez facing Elena Rybakina in the other Citi Ope

Anna Kalinskaya pounced when it mattered, breaking Emma Raducanu four times from the six opportunities she forced, while the new British number one converted just one of her six chances

Emma Raducanu’s impressive run in Washington has ended after a straights-set defeat by the Anna Kalinskaya, with the Russian’s heavy ground-strokes and metronomic accuracy proving too much for the Briton.