| 2017 Citi Open | |
|---|---|
| Date | July 31 – August 6 |
| Edition | 49th (men) / 7th (women) |
| Category | ATP World Tour 500 (men) WTA International (women) |
| Surface | Hard (outdoor) SportMaster Sport Surfaces |
| Location | Washington, D.C., United States |
| Champions | |
| Men's singles | |
 Alexander Zverev[1] | |
| Women's singles | |
 Ekaterina Makarova | |
| Men's doubles | |
 Henri Kontinen /  John Peers[2] | |
| Women's doubles | |
 Shuko Aoyama /  Renata Voráčová | |
The 2017 Citi Open was a tennis tournament played on outdoor hard courts. It was the 49th edition (for the men) and the 7th edition (for the women) of the Washington Open. The event is part of the ATP World Tour 500 series of the 2017 ATP World Tour, and of the WTA International tournaments of the 2017 WTA Tour. It took place at the William H.G. FitzGerald Tennis Center in Washington, D.C., United States, from July 31 to August 6, 2017.
- ^ "2017 Washington – Men's Singles draw". Association of Tennis Professionals (ATP).
- ^ "2017 Washington – Men's Doubles draw". Association of Tennis Professionals (ATP).