Top-ranked American John Isner to Compete at the Citi Open
John Isner is the first player announced to the 2013 Citi Open Field. He has made the tournamaent a staple event on his summer calendar after numerous successes, including a Cinderella run during his ATP World Tour debut in 2007, as he entered as a Wildcard and advanced to the finals against top-seed Andy Roddick.
February 25, 2013




