The 2014 Citi Open (known as such for sponsorship reasons) was a tennis tournament played on outdoor hard courts. It was the 46th edition (for the men) and the 4th edition (for the women) of the event known this year as the Citi Open, and was part of the ATP World Tour 500 series of the 2014 ATP World Tour, and of the WTA International tournaments of the 2014 WTA Tour. It took place at the William H.G. FitzGerald Tennis Center in Washington, D.C., United States, from July 26 to August 3, 2014.
1 Qualifiers prize money is also the Round of 64 prize money
* per team
The following players received wild cards into the main singles draw:
The following players received entry from the singles qualifying draw:
The following player received entry as a lucky loser:
Grigor Dimitrov → replaced by .svg/1280px-Flag_of_Australia_(converted).svg.png){kind=small}
Sam Groth
Ivan Dodig → replaced by 
Tim Smyczek Matthew Ebden → replaced by 
Malek Jaziri Bradley Klahn → replaced by 
Michael Berrer
Gaël Monfils (knee injury) → replaced by 
Dudi Sela
Dmitry Tursunov → replaced by .svg/1280px-Flag_of_Canada_(Pantone).svg.png){kind=small}
Frank DancevicThe following pairs received wildcards into the doubles main draw:
The following pair received entry from the doubles qualifying draw:
The following players received wild cards into the main singles draw:
The following players received entry from the singles qualifying draw:
Eugenie Bouchard → replaced by 
Kiki Bertens
Jana Čepelová → replaced by Vania King
Monica Niculescu → replaced by Virginie Razzano Vania King (right hip injury)The following pair received a wildcard into the doubles main draw:
Roxanne Ellison / Sierra Ellison Vania King (right hip injury) Milos Raonic def. Vasek Pospisil, 6–1, 6–4 Svetlana Kuznetsova def. 
Kurumi Nara, 6–3, 4–6, 6–4 Jean-Julien Rojer / Horia Tecău def. Sam Groth / 
Leander Paes, 7–5, 6–4 Shuko Aoyama / Gabriela Dabrowski def. Hiroko Kuwata / Kurumi Nara, 6–1, 6–2
