Americans and Underdogs Shine on Eighth Day of the U.S. Open

The eighth day of the U.S. Open in Flushing Meadows saw standout performances from American players, including Jessica Pegula and Frances Tiafoe, and significant upsets, such as Karolina Muchova's win over Jasmine Paolini. The play commenced under partly cloudy skies, with temperatures around 23 degrees Celsius.

American athletes delivered stellar performances on the eighth day of the U.S. Open at Flushing Meadows. Sixth seed Jessica Pegula defeated Russian 18th seed Diana Shnaider 6-4, 6-2 to reach the quarter-finals for the second time.

Czech Karolina Muchova, unseeded, pulled off a significant upset by beating Italian fifth seed Jasmine Paolini 6-3, 6-3. Muchova's victory secures her a place in the quarter-finals, continuing her strong form after making it to the semis last year.

The matches kicked off under partly cloudy skies, with temperatures hovering around 23 degrees Celsius (73 degrees Fahrenheit). The event saw more notable moments, including Frances Tiafoe's advancement and Emma Navarro's upset against Coco Gauff.

(With inputs from agencies.)