US Open: Top seed Swiatek knocked out, Djokovic eases through

NEW YORK, Sept. 4 (Xinhua) -- Top seed and defending champion Iga Swiatek's title defence ended after a fourth-round loss to Latvia's Jelena Ostapenko, while Novak Djokovic eased past Borna Gojo to reach his 13th US Open quarterfinal on Sunday.

After a strong first set, Swiatek lost two consecutive sets to the Latvian, who stormed back to clinch a 3-6, 6-3, 6-1 victory.

With the loss, Swiatek will also su