New Delhi, Oct. 17 -- Krueger, in the draw as a lucky loser after defeat in qualifying, was able to put pressure on Swiatek for parts of the second set, despite racking up 44 unforced errors to the Polish player's 27.

Swiatek will face another American in the quarterfinals after Ann Li eliminated Indonesia's Janice Tjen 6-1, 7-6 (1) later Thursday.

Winning the title would allow Swiatek to put pressure on Muchova in the Race to the WTA Finals rankings ahead of the season-ending event next month in Indian Wells, California. Swiatek, who's reached the finals each year since 2021, is 10th in the Race with the top eight qualifying.

Wimbledon finalist and sixth-seeded Muchova lost 7-5, 6-3 to 11th-seeded Diana Shnaider, who next plays former...