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.

Emma Raducanu continued her dominance over Maria Sakkari with a 6-4, 7-5 win at the Citi DC Open to secure a spot in the semi-finals.

Emma Raducanu dug deep to overcome a slight wobble in the second set against Maria Sakkari to book her place in the Washington Open semi-finals.