2023 Mubadala Citi DC Open

The 2023 Washington Open (called the Mubadala Citi DC Open for sponsorship reasons) was a tennis tournament played on outdoor hard courts. It was the 54th edition of the Washington Open for the men, and the 11th edition for the women. The event was part of the ATP Tour 500 series of the 2023 ATP Tour and a WTA 500 tournament on the 2023 WTA Tour (upgraded from WTA 250 status in 2022). The Washington Open took place at the William H.G. FitzGerald Tennis Center in Washington, D.C., United States, from 31 July to 6 August 2023.

Men's singles

 * 🇬🇧 Dan Evans def. Tallon Griekspoor, 7–5, 6–3

Women's singles

 * 🇺🇸 Coco Gauff def. Maria Sakkari, 6–2, 6–3

Men's doubles

 * 🇦🇷 Máximo González / 🇦🇷 Andrés Molteni def. 🇺🇸 Mackenzie McDonald / 🇺🇸 Ben Shelton, 6–7(4–7), 6–2, [10–8]

Women's doubles

 * 🇩🇪 Laura Siegemund / Vera Zvonareva def.  Alexa Guarachi / 🇷🇴 Monica Niculescu 6–4, 6–4

Prize money

 * per team

Seeds
† Rankings are as of 24 July 2023.

Other entrants
The following players received wildcard entry into the singles main draw :
 * Kevin Anderson
 * 🇫🇷 Gaël Monfils
 * 🇯🇵 Kei Nishikori
 * 🇺🇸 Ben Shelton

The following player received entry using a protected ranking:
 * Lloyd Harris

The following players received entry from the qualifying draw:
 * 🇺🇸 Bjorn Fratangelo
 * 🇺🇸 Bradley Klahn
 * 🇯🇵 Shintaro Mochizuki
 * 🇳🇿 Kiranpal Pannu
 * 🇨🇳 Shang Juncheng
 * 🇺🇸 Zachary Svajda

The following player received entry as a lucky loser:
 * 🇯🇵 Sho Shimabukuro

Withdrawals

 * 🇫🇷 Jérémy Chardy → replaced by Alexander Shevchenko
 * 🇦🇺 Nick Kyrgios → replaced by 🇺🇸 Michael Mmoh
 * Daniil Medvedev → replaced by 🇯🇵 Yosuke Watanuki
 * 🇯🇵 Kei Nishikori → replaced by 🇯🇵 Sho Shimabukuro
 * 🇨🇦 Denis Shapovalov → replaced by 🇲🇩 Radu Albot
 * 🇸🇪 Mikael Ymer → replaced by 🇯🇵 Taro Daniel

Seeds
† Rankings are as of 24 July 2023.

Other entrants
The following pairs received wildcard entry into the doubles main draw :
 * 🇬🇧 Dan Evans / 🇬🇧 Andy Murray
 * 🇺🇸 Mackenzie McDonald / 🇺🇸 Ben Shelton

The following pair received entry from the qualifying draw:
 * 🇰🇿 Alexander Bublik / Tallon Griekspoor

Withdrawals

 * Wesley Koolhof / 🇬🇧 Neal Skupski → replaced by 🇧🇬 Grigor Dimitrov / 🇫🇷 Nicolas Mahut

Seeds
† Rankings are as of 24 July 2023.

Other entrants
The following players received wildcard entry into the main draw :
 * 🇨🇦 Bianca Andreescu
 * 🇺🇸 Danielle Collins
 * 🇺🇸 Sofia Kenin
 * 🇺🇦 Elina Svitolina

The following player received entry using a protected ranking:
 * 🇺🇸 Jennifer Brady

The following players received entry from the qualifying draw:
 * 🇺🇸 Hailey Baptiste
 * 🇺🇸 Lauren Davis
 * 🇨🇦 Leylah Fernandez
 * 🇵🇱 Magdalena Fręch

The following player received entry as a lucky loser:
 * 🇺🇸 Peyton Stearns

Withdrawals

 * 🇪🇸 Paula Badosa → replaced by 🇷🇴 Sorana Cîrstea
 * 🇺🇸 Sofia Kenin → replaced by 🇺🇸 Peyton Stearns
 * Veronika Kudermetova → replaced by 🇺🇸 Sloane Stephens

Seeds
† Rankings are as of 24 July 2023.

Other entrants
The following pairs received wildcard entry into the doubles main draw :
 * 🇺🇸 Hailey Baptiste / 🇺🇸 Sloane Stephens
 * 🇺🇸 Clervie Ngounoue / 🇺🇸 Alycia Parks

Withdrawals

 * 🇺🇸 Clervie Ngounoue / 🇺🇸 Alycia Parks → replaced by 🇯🇵 Makoto Ninomiya / 🇺🇸 Sabrina Santamaria