Defending champion Novak Djokovic and triple women's winner Serena Williams have stormed into the US Open second round at Flushing Meadows in New York.
World number two Djokovic needed just 73 minutes to beat Italian Paolo Lorenzi 6 1 6 0 6 1.
Williams was just as ruthless as she beat US compatriot Coco Vandeweghe 6-1, 6-1.
Eight seed Caroline Wozniacki crashed to a painful loss as World No. 96 Irina-Camelia Begu beat her 6-2, 6-2.
Andy Roddick eased past compatriot and qualifier Rhyne Williams, 6-3, 6-4, 6-4
Fellow US veteran Venus Williams also won an all-American match-up, beating wildcard Bethanie Mattek-Sands 6-3, 6-1.
