Highlights from Day Six of the U.S. Open

The U.S. Open saw world No.1 Jannik Sinner defeat Christopher O'Connell, while other top players like Jack Draper and Jessica Pegula also advanced. Major upsets included Novak Djokovic's unexpected loss to Alexei Popyrin. The event featured notable performances across several courts under New York's cloudy skies.

World number one Jannik Sinner continued his quest for a second Grand Slam title with a decisive 6-1, 6-4, 6-2 victory over Australian Christopher O'Connell. Among the cheering crowd at Arthur Ashe Stadium was 23-time Grand Slam champion Serena Williams.

Britain's Jack Draper moved into the fourth round after defeating unseeded Botic van de Zandschulp 6-3, 6-4, 6-2. Draper, who earlier knocked out Carlos Alcaraz, will next face Czech Tomas Machac.

Russia's Diana Shnaider, American Jessica Pegula, and Italy's Jasmine Paolini also advanced to the next round, showcasing dominant performances. However, the event's surprise came when Novak Djokovic was upset by Alexei Popyrin, ending Djokovic's journey earlier than expected.