This marks the first time the same man and woman have been the top seeds for three years in a row since Steffi Graf and Ivan Lendl between 1987 – 1989.
World number 1, Williams is looking to win her seventh US Open title, which would surpass Chris Evert for the most US Open singles titles in Open era and a victory in Flushing Meadows would also tie Steffi Grafs’s Open era record of 22 major titles, as well as complete the calendar year grand slam, last won by Graff in 1988.
She is followed on the seeding list by number two, Simona Halep of Romania, a 2014 French Open finalist and Russia’s Maria Sharapova, the 2006 U.S. Open winner,who is seeded third with 2014 U.S. Open finalist Caroline Wozniacki of Denmark seeded fourth.
Petra Kvitova, who won Wimbledon in 2011 and 2014 is seeded fifth, while 2015 French Open finalist Lucie Safarova is seeded sixth.
Five-time U.S. Open champion, Roger Federer is the second seed for the men’s event where the top-10 seeds feature five U.S. Open champions and six grand slam winners.
In addition to 2011 champion, Djokovic of Serbia and Switzerland’s Federer (2004-08), former U.S. champions include Andy Murray (2012), Rafael Nadal (2010, 13) and last year’s winner, Marin Cilic of Croatia.
Scotland’s Murray is seeded third, Spaniard Nadal is eighth and Cilic seeded ninth.
Kei Nishikori of Japan, runner-up last year to Cilic, is seeded fourth, one spot ahead of reigning French Open champion Stan Wawrinka of Switzerland.