| Women's singles | |
|---|---|
| 2017 Citi Open | |
| Champion |  Ekaterina Makarova |
| Runner-up |  Julia Görges |
| Score | 3–6, 7–6(7–2), 6–0 |
Yanina Wickmayer was the defending champion, but chose not to participate this year.
Ekaterina Makarova won the title, defeating Julia Görges in the final, 3–6, 7–6(7–2), 6–0.
Simona Halep (quarterfinals, retired)
Kristina Mladenovic (second round)
Lauren Davis (first round) Julia Görges (final) Océane Dodin (semifinals) Monica Niculescu (quarterfinals) Ekaterina Makarova (champion) Christina McHale (first round)| Semifinals | Final | ||||||||||||
| 7 | Ekaterina Makarova | 3 | 6 | 6 | |||||||||
| 5 | Océane Dodin | 6 | 3 | 4 | |||||||||
| 7 | Ekaterina Makarova | 3 | 77 | 6 | |||||||||
| 4 | Julia Görges | 6 | 62 | 0 | |||||||||
| 4 | Julia Görges | 5 | 6 | 7 | |||||||||
| Andrea Petkovic | 7 | 4 | 5 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1/WC | S Halep | 77 | 6 | ||||||||||||||||||||||||
| WC | S Stephens | 63 | 0 | 1/WC | S Halep | 3 | 6 | 6 | |||||||||||||||||||
 M Duque Mariño | 6 | 6 | M Duque Mariño | 6 | 4 | 2 | |||||||||||||||||||||
| S Rogers | 4 | 1 | 1/WC | S Halep | 6 | 3 | 0r | ||||||||||||||||||||
| Q | L Chirico | 4 | 4 | 7 | E Makarova | 2 | 6 | 1 | |||||||||||||||||||
 M Puig | 6 | 6 | M Puig | 2 | 4 | ||||||||||||||||||||||
| Q | J Loeb | 64 | 3 | 7 | E Makarova | 6 | 6 | ||||||||||||||||||||
| 7 | E Makarova | 77 | 6 | 7 | E Makarova | 3 | 6 | 6 | |||||||||||||||||||
| 3 | L Davis | 5 | 3 | 5 | O Dodin | 6 | 3 | 4 | |||||||||||||||||||
 A Sabalenka | 7 | 6 | A Sabalenka | 6 | 3 | 3 | |||||||||||||||||||||
| S Lisicki | 79 | 77 | S Lisicki | 4 | 6 | 6 | |||||||||||||||||||||
| Q |  V Grammatikopoulou | 67 | 65 | S Lisicki | 7 | 4 | 64 | ||||||||||||||||||||
 R Ozaki | 60 | 2 | 5 | O Dodin | 5 | 6 | 77 | ||||||||||||||||||||
 S Errani | 77 | 6 | S Errani | 6 | 5 | 1 | |||||||||||||||||||||
 J Janković | 6 | 3 | 0r | 5 | O Dodin | 3 | 7 | 6 | |||||||||||||||||||
| 5 | O Dodin | 4 | 6 | 2 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | M Niculescu | 6 | 2 | 79 | |||||||||||||||||||||||
| N Hibino | 3 | 6 | 67 | 6 | M Niculescu | 6 | 77 | ||||||||||||||||||||
| Q |  H Watson | 64 | 63 | PM Țig | 4 | 62 | |||||||||||||||||||||
| PM Țig | 77 | 77 | 6 | M Niculescu | 3 | 4 | |||||||||||||||||||||
 A Van Uytvanck | 7 | 0 | 6 | 4 | J Görges | 6 | 6 | ||||||||||||||||||||
 J Čepelová | 5 | 6 | 1 | A Van Uytvanck | 6 | 3 | 69 | ||||||||||||||||||||
 F Abanda | 4 | 4 | 4 | J Görges | 3 | 6 | 711 | ||||||||||||||||||||
| 4 | J Görges | 6 | 6 | 4 | J Görges | 5 | 6 | 7 | |||||||||||||||||||
| 8 | C McHale | 66 | 0 | A Petkovic | 7 | 4 | 5 | ||||||||||||||||||||
| E Bouchard | 78 | 6 | E Bouchard | 2 | 6 | 0 | |||||||||||||||||||||
| A Petkovic | 6 | 77 | A Petkovic | 6 | 4 | 6 | |||||||||||||||||||||
| K Nara | 4 | 65 | A Petkovic | 63 | 6 | 6 | |||||||||||||||||||||
| WC | B Andreescu | 5 | 6 | 6 | WC | B Andreescu | 77 | 1 | 2 | ||||||||||||||||||
| C Giorgi | 7 | 3 | 4 | WC | B Andreescu | 6 | 6 | ||||||||||||||||||||
| T Maria | 5 | 6 | 3 | 2 | K Mladenovic | 2 | 3 | ||||||||||||||||||||
| 2 | K Mladenovic | 7 | 3 | 6 | |||||||||||||||||||||||
Heather Watson (qualified) Jamie Loeb (qualified)
Destanee Aiava (first round) Louisa Chirico (qualified) Valentini Grammatikopoulou (qualified) Usue Maitane Arconada (first round)
Nigina Abduraimova (first round)
Deniz Khazaniuk (first round)| First round | Qualifying competition | ||||||||||||
| 1 | Heather Watson | 6 | 5 | 6 | |||||||||
| Erika Sema | 2 | 7 | 3 | ||||||||||
| 1 | Heather Watson | 6 | 79 | ||||||||||
| Shuko Aoyama | 3 | 67 | |||||||||||
| Shuko Aoyama | 6 | 6 | |||||||||||
| 6 | Usue Maitane Arconada | 2 | 2 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 2 | Jamie Loeb | 6 | 6 | ||||||||||
| WC | Skylar Morton | 2 | 2 | ||||||||||
| 2 | Jamie Loeb | 6 | 6 | ||||||||||
| Sophie Chang | 4 | 2 | |||||||||||
| Sophie Chang | 7 | 4 | 7 | ||||||||||
| 8 | Deniz Khazaniuk | 5 | 6 | 5 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 3 | Destanee Aiava | 1 | 4 | ||||||||||
 Xu Shilin | 6 | 6 | |||||||||||
| Xu Shilin | 3 | 3 | |||||||||||
| 5 | Valentini Grammatikopoulou | 6 | 6 | ||||||||||
| WC | Cameron Morra | 4 | 6 | 2 | |||||||||
| 5 | Valentini Grammatikopoulou | 6 | 4 | 6 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 4 | Louisa Chirico | 63 | 6 | 77 | |||||||||
| Olivia Rogowska | 77 | 1 | 65 | ||||||||||
| 4 | Louisa Chirico | 2 | 6 | 6 | |||||||||
| Lu Jiajing | 6 | 1 | 3 | ||||||||||
| Lu Jiajing | 6 | 6 | |||||||||||
| 7 | Nigina Abduraimova | 4 | 1 | ||||||||||
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The 2017 Citi Open was a tennis tournament played on outdoor hard courts. It was the 49th edition and the 7th edition 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.
Anastasia Pavlyuchenkova was the defending champion, but withdrew before the tournament began.
Francesca Schiavone was the defending champion, but withdrew before the tournament began.
This was the first edition of the tournament.
Barbora Strýcová was the defending champion, but lost in the quarterfinals to Alison Van Uytvanck.
Julia Görges was the defending champion, but chose to compete in Luxembourg instead.
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