Champion Juan Martín del Potro Final score 3–6, 6–1, 6–2 men women | Runner-up John Isner Singles men Doubles men | |
Alexandr Dolgopolov was the defending champion, but lost to Indian qualifier Somdev Devvarman in the second round.
Juan Martín del Potro won his third Citi Open title and second title of the year, defeating John Isner in the final, 3-6, 6-1, 6-2.
Seeds
All seeds received a bye into the second round.
References
2013 Citi Open – Men's Singles Wikipedia(Text) CC BY-SA