World number one Iga Swiatek advanced to her second US Open quarter-final on Monday, securing a straight-sets victory over Liudmila Samsonova. Swiatek, aiming for her sixth Grand Slam title, triumphed 6-4, 6-1, winning eight of the last nine games. She will face American sixth seed Jessica Pegula in the quarter-finals. 

Swiatek, the 2022 US Open champion, previously defeated Pegula in the quarter-finals on her way to that title. Earlier on Monday, Pegula secured her spot in the last eight with a 6-4, 6-2 win over Russia's Diana Shnaider.