The Polish world No. 1 on Wednesday saw off American Sloane Stephens 6-4, 7-5 in the second round of the women’s singles.
The top-seeded Polish player will now face Madison Keys of the United States for a place in the quarterfinals.
The Western & Southern Open tournament in Cincinnati, Ohio, is for many top tennis players the final warm-up before the US Open.
Świątek in June won the French Open Grand Slam tournament in Paris for the second time.
The 21-year-old, coached by countryman Tomasz Wiktorowski, in early April took over as the new number one in women's tennis, becoming the first Pole to top the world rankings.
(gs)
Source: PAP