The 2015 Citi Open was a tennis tournament played on outdoor hard courts. It was the 47th edition (for the men) and the 5th edition (for the women) of the Washington Open. The event was part of the ATP World Tour 500 series of the 2015 ATP World Tour, and of the WTA International tournaments of the 2015 WTA Tour. It took place at the William H.G. FitzGerald Tennis Center in Washington, D.C., United States, from August 3 to August 9, 2015.
<sub><sup>1</sup> Qualifiers prize money is also the Round of 64 prize money</sub><br> <sub>* per team</sub>
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 lucky loser:
The following pairs received wildcards into the doubles main draw:
The following pair received entry from the doubles qualifying draw:
The following pair received entry as lucky loser:
The following players received wild cards into the main singles draw:
The following players received entry from the singles qualifying draw:
The following pair received a wildcard into the doubles main draw:
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