| Date: | 29 July – 4 August |
| Edition: | 55th (men) 12th (women) |
| Surface: | Hard (outdoor) Har-Tru coating |
| Location: | Washington, D.C., United States |
| Venue: | William H.G. FitzGerald Tennis Center |
| Category: | ATP 500 (men) WTA 500 (women) |
| Draw: | 48S/16D (men) 28S/16D (women) |
| Prize Money: | $2,100,230 (men) $922,573 (women) |
| Champms: |  Sebastian Korda |
| Champws: |  Paula Badosa |
| Champmd: | Nathaniel Lammons / Jackson Withrow |
| Champwd: | Asia Muhammad / Taylor Townsend |
| Before Name: | Citi Open |
| Main Name: | Washington Open (tennis) Washington Open |
See also: Washington Open (tennis). The 2024 Washington Open (called the Mubadala Citi DC Open for sponsorship reasons) was a tennis tournament played on outdoor hard courts. It was the 55th edition of the Washington Open for the men, and the 12th edition for the women. The event was part of the ATP Tour 500 series of the 2024 ATP Tour and a WTA 500 tournament on the 2024 WTA Tour. The Washington Open took place at the William H.G. FitzGerald Tennis Center in Washington, D.C., United States, from 29 July to 4 August 2024 and was played on a hard court manufactured by Har-Tru Sports Coatings.[1] [2] [3]
See main article: 2024 Mubadala Citi DC Open – Men's singles.
Sebastian Korda def. 
Flavio Cobolli, 4–6, 6–2, 6–0See main article: 2024 Mubadala Citi DC Open – Women's singles.
Paula Badosa def. 
Marie Bouzková, 6–1, 4–6, 6–4See main article: 2024 Mubadala Citi DC Open – Men's doubles.
Nathaniel Lammons / Jackson Withrow def. 
Rafael Matos / Marcelo Melo, 7–5, 6–3See main article: 2024 Mubadala Citi DC Open – Women's doubles.
Asia Muhammad / Taylor Townsend def. 
Jiang Xinyu / Wu Fang-hsien 7–6(7–0), 6–3| Event | W | F | SF | QF | Round of 16 | Round of 32 | Round of 64 | width=85 | Q | width=85 | Q2 | width=85 | Q1 |
| Men's singles | 500 | 330 | 200 | 100 | 50 | 25 | 0 | 16 | 8 | 0 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Men's doubles | 0 | ||||||||||||
| Women's singles | 325 | 195 | 108 | 60 | 1 | 25 | 13 | 1 | |||||
| Women's doubles | 1 |
The following players received wildcard entry into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Federico Coria → replaced by Zachary Svajda
Taro Daniel → replaced by 
Adam Walton
Constant Lestienne → replaced by Harold Mayot Luca Van Assche Pedro Martínez → replaced by 
Daniel Elahi GalánThe following pairs received wildcard entry into the doubles main draw:
The following pair received entry from the qualifying draw:
The following pair received entry as lucky losers:
Alexander Erler / Lucas Miedler → replaced by Alexander Erler / Arthur Rinderknech Thanasi Kokkinakis / Frances Tiafoe → replaced by Evan King / Vasil Kirkov| Country | Player | Rank† | Seed | |
|---|---|---|---|---|
| Aryna Sabalenka | 3 | 1 | ||
| Daria Kasatkina | 12 | 2 | ||
| Liudmila Samsonova | 13 | 3 | ||
 Tunisia | Ons Jabeur | 16 | 4 | |
| Victoria Azarenka | 20 | 6 | ||
| Anastasia Pavlyuchenkova | 33 | 7 | ||
 Belgium | Elise Mertens | 35 | 8 | |
| Anastasia Potapova | 41 | 9 |
† Rankings are as of 22 July 2024.[5]
The following players received wildcard entry into the main draw:
The following player received entry using a protected ranking:
The following player received entry as an alternate:
The following players received entry from the qualifying draw:
Taylor Townsend Madison Keys → replaced by Ashlyn Krueger Wang Yafan Zhu Lin → replaced by Katie Volynets| Country | Player | Country | Player | Rank† | Seed | |
|---|---|---|---|---|---|---|
| United States | Asia Muhammad | United States | Taylor Townsend | 39 | 1 | |
 Mexico | Giuliana Olmos | Alexandra Panova | 65 | 2 | ||
 Norway | Ulrikke Eikeri |  Estonia | Ingrid Neel | 69 | 3 | |
| Japan | Miyu Kato | Aldila Sutjiadi | 74 | 4 |
The following pairs received wildcard entry into the doubles main draw:
Serbia
Finland
United Kingdom
New Zealand
