US Open, Day 4: Federer, Nadal, Serena reach third round
Seventeen-time Grand Slam Champion Roger Federer, US Open favourite Rafael Nadal and women's world number one Serena Williams eased into third round at Flushing Meadows. However, last year's semi-finalst Sara Errani was knocked out in the second round. (All AFP images)
Five-time US Open winner Roger Federer dispatched Argentina's 48th-ranked Carlos Berlocq 6-3, 6-2, 6-1 in 95 minutes, firing six aces and 37 winners.
World number one Serena Williams, who would become the oldest US Open women's champion at 31 if she repeats, advanced her quest for a 17th Grand Slam title and fifth US Open crown by downing 77th-ranked Galina Voskoboeva 6-3, 6-0.
Two-time Australian Open champion Victoria Azarenka defeated Canada's Aleksandra Wozniak 6-3, 6-1 in 68 minutes.
US Open favourite Rafael Nadal breezed past Brazilian qualifier Rogerio Dutra Silva 6-2, 6-1, 6-0.
British number three Dan Evans fought back to beat Australia's Bernard Tomic in four sets. The world number 179 won 1-6 6-3 7-6 6-3 to reach the last 32.