Britain's Emma Raducanu suffers a 6-4 6-3 loss to Russia's Anna Kalinskaya in the semi-finals of the Washington Open.

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 booked her place in the semi-final of the Washington Open for the first time with a 6-4, 7-5 victory over Greece’s Maria Sakkari. The victory, on a day where both players had to battle high temperatures, means Raducanu will overtake Katie Boulter as British No 1 on Monday.