2018 Citi Open
The 2018 Washington Open was a tennis tournament played on outdoor hard courts. It was the 50th edition and the 8th edition of the Washington Open. The event was part of the ATP World Tour 500 series of the 2018 ATP World Tour, and of the WTA International tournaments of the 2018 WTA Tour. It took place at the William H.G. FitzGerald Tennis Center in Washington, D.C., United States, from July 30 to August 5, 2018.
Finals
Men's singles
- Alexander Zverev defeated Alex de Minaur, 6–2, 6–4
Women's singles
- Svetlana Kuznetsova defeated Donna Vekić, 4–6, 7–6, 6–2
Men's doubles
- Jamie Murray / Bruno Soares defeated Mike Bryan / Édouard Roger-Vasselin, 3–6, 6–3,
Women's doubles
- Han Xinyun / Darija Jurak defeated Alexa Guarachi / Erin Routliffe, 6–3, 6–2
Points and prize money
Prize money
1 Qualifiers prize money is also the Round of 64 prize money* per team
ATP singles main-draw entrants
Seeds
Other entrants
The following players received wild cards into the main singles draw:The following player received entry using a protected ranking:
The following players received entry from the singles qualifying draw:
The following player received entry as a lucky loser:
Withdrawals
;Before the tournament- Kevin Anderson → replaced by Hubert Hurkacz
- Tomáš Berdych → replaced by Mackenzie McDonald
- Yuki Bhambri → replaced by James Duckworth
- Alexandr Dolgopolov → replaced by Ilya Ivashka
- Nick Kyrgios → replaced by Jason Kubler
Retirements
ATP doubles main-draw entrants
Seeds
- 1 Rankings are as of July 23, 2018
Other entrants
The following pairs received wildcards into the doubles main draw:The following pair received entry from the doubles qualifying draw:
Withdrawals
;Before the tournament;During the tournament
WTA singles main-draw entrants
Seeds
- 1 Rankings are as of July 23, 2018
Other entrants
The following players received wild cards into the main singles draw:The following players received entry as a special exempt:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
Withdrawals
;Before the tournament- Bianca Andreescu → replaced by Mayo Hibi
- Zarina Diyas → replaced by Olivia Rogowska
- Kirsten Flipkens → replaced by Nao Hibino
- Daria Gavrilova → replaced by Natalia Vikhlyantseva
- Camila Giorgi → replaced by Fanny Stollár
- Hsieh Su-wei → replaced by Han Xinyun
- Monica Niculescu → replaced by Kristie Ahn
- Anastasija Sevastova → replaced by Katie Boulter
- Barbora Strýcová → replaced by Andrea Petkovic
- Lesia Tsurenko → replaced by Caroline Dolehide
- Caroline Wozniacki → replaced by Ysaline Bonaventure
WTA doubles main-draw entrants
Seeds
- 1 Rankings are as of July 23, 2018
Other entrants
The following pair received a wildcard into the doubles main draw:The following pair received entry as alternates: