| The 30th career meeting between Serena and 
				Venus also marks the first time the sisters have faced each 
				other this early at a Grand Slam since their first meeting at a 
				major -- the second round of the 1998 Australian Open.
 Venus is the 16th seed, one place above her sister who is still 
				working her way back up the rankings after returning from 
				maternity leave earlier this year.
 
 Serena, gunning for a record seventh title at the U.S. Open, was 
				beaten by Venus in their most recent meeting at Indian Wells but 
				won their last Grand Slam encounter in the final of the 2017 
				Australian Open to secure her 23rd Grand Slam title.
 
 Stephens is up against hard-hitting Victoria Azarenka while 
				Nadal, who eased through his opening rounds with a minimum of 
				fuss, takes on Russian Karen Khachanov, the number 27 seed.
 
 Argentine Juan Martin del Potro is also in action, taking on 
				Spaniard Fernando Verdasco. Del Potro, the third seed, is yet to 
				drop a set in New York so far and saw off American duo Donald 
				Young and Denis Kudla in the first two rounds.
 
 Fifth seed Kevin Anderson of South Africa, who was runner-up 
				last year, will get his first action on one of the main courts 
				when he takes on Canada's Denis Shapovalov at the Louis 
				Armstrong Stadium.
 
 Shapovalov's compatriot Milos Raonic, who is seeded 25th, is up 
				against 2016 champion and wild card Stan Wawrinka, while ninth 
				seed Dominic Thiem of Austria will face American Taylor Fritz.
 
 (Reporting by Simon Jennings; Editing by Peter Rutherford)
 
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