In scorching circumstances in Washington DC, each Raducanu and Sakkari struggled to carry their serves within the opening set, with the Briton changing three of her six break factors and her opponent two from 4.
Nonetheless, at 4-4, Raducanu struck the decisive blow, breaking Sakkari’s serve for the third time earlier than changing a second set level.
The 29-year-old Sakkari, runner-up on the event in 2023, had a possibility to take the match right into a decider after breaking serve within the sixth sport of the second set and saving two break factors for a 5-2 lead.
Nonetheless, Raducanu roared again to win 5 consecutive video games, together with changing two of her 5 break factors, to take the second set 7-5.
She acquired consideration from a physio through the second set and later stated she felt a “bit wobbly” as a result of warmth.
“It was brutal at this time,” added Raducanu. “It was a protracted match, the primary set was over an hour. You simply need to take pleasure in struggling and depart all of it on the market on the courtroom.
“Maria performed an unimaginable match and the circumstances actually go well with her with the liveliness of her sport.
“I would like to arrange [for the doubles] and get out of the warmth. I felt a bit wobbly on the again finish of the second set.”
Within the males’s doubles, Britain’s Neal Skupski and Australian accomplice John-Patrick Smith reached the semi-finals after getting back from a set all the way down to upset fourth seeds Michael Venus and Yuki Bhambri 3-6 6-4 10-7.
