The American beat her compatriot 6-2 7-5 in their quarter-final clash to reach her third semi-final at WTA 1000 level or above. A shaky start from Keys saw Gauff dominate the first set but the world number 23 challenged well in the second and was leading at 5-4, but a poor game meant the 18-year-old was able to pull away as Keys finished with 51 unenforced errors. Gauff will now face Swiatek in the final four, with the world number one handed a walkover after opponent Karolina Pliskova was ruled out due to illness. This will be the sixth time the pair have met, including in last year's Roland Garros final, and Gauff is yet to win a set in their last five encounters.

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