2017 Citi Open – Women's singles

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.

Seeds
• #🇷🇴 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)

Seeds
• # 🇬🇧 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)

Qualifiers
• # 🇬🇧 Heather Watson

• # 🇺🇸 Jamie Loeb

• # Valentini Grammatikopoulou

• # 🇺🇸 Louisa Chirico