US Open, Day 2: Djokovic, Federer cruise; 2011 champ Sam Stosur stunned
Former champions Roger Federer and Novak Djokovic eased past their first round opponents. However, 2011 women's singles champion Sam Stosur was sent packing by an American teenager.
2011 champion and world No.1 Novak Djokovic brushed aside Lithuanian 112th-ranked Ricardas Berankis 6-1, 6-2, 6-2.
With victory over Grega Zemlja, Roger Federer matched South African Wayne Ferreira for the all-time record run of Grand Slam starts with 56.
Victoria Azarenka had time for a dance during a double-bagel of German Dinah Pfizenmaier.
The shock of the day was the ouster of 2011 champion Sam Stosur, who was stunned 5-7, 6-4, 6-4 by American 17-year-old Victoria Duval.
Born to Haitian parents, Duval was held hostage by gunmen as a young child. Roared on by the Louis Armstrong crowd, she sent the 11th seed packing.