World No. 1s Swiatek, Sinner reach US Open quarters

WASHINGTON, Sept. 3 (Xinhua) -- Iga Swiatek and Jessica Pegula set up a women's singles quarterfinal encounter at the US Open on Monday, while Jannik Sinner will face Daniil Medvedev on the men's side.

Top-ranked Swiatek defeated Liudmila Samsonova 6-4, 6-1, while Pegula overcame Diana Shnaider 6-4, 6-2.

"At the beginning, I felt like we were playing men's style, just holding our serves, but I knew that i