The Polish world No. 1, who is the defending champion in Paris, ousted the sixth-seeded American 6-4, 6-2 in their quarterfinal match in the French capital on Wednesday.
Świątek, who celebrated her 22nd birthday last week, will next face 14th-seeded Brazilian Beatriz Haddad Maia for a place in the championship match.
Świątek triumphed at Roland Garros last year and in 2020.
The 2023 French Open runs until Sunday.
(gs)
Source: Eurosport, IAR, PAP