2017 Connecticut Open – Singles

Agnieszka Radwańska was the defending champion, but lost in the semifinals to Daria Gavrilova.

Gavrilova went on to win her first WTA Tour title, defeating Dominika Cibulková in the final, 4–6, 6–3, 6–4.

Seeds
The top two seeds received a bye into the second round. • #🇵🇱 Agnieszka Radwańska (semifinals)

• #🇸🇰 Dominika Cibulková (final)

• #🇨🇿 Petra Kvitová (first round)

• #🇫🇷 Kristina Mladenovic (first round)

• #🇷🇺 Elena Vesnina (first round)

• #🇷🇺 Anastasia Pavlyuchenkova (quarterfinals)

• #🇨🇿 Barbora Strýcová (first round)

• #🇨🇳 Peng Shuai (quarterfinals)

Seeds
• # 🇸🇰 Magdaléna Rybáriková (qualifying competition)

• # 🇨🇿 Kristýna Plíšková (qualified)

• # 🇧🇪 Elise Mertens (qualified)

• # 🇩🇪 Mona Barthel (first round)

• # 🇸🇪 Johanna Larsson (second round)

• # 🇷🇴 Irina-Camelia Begu (second round)

• # 🇺🇸 Shelby Rogers (first round)

• # 🇺🇸 Christina McHale (qualifying competition, lucky loser)

• # 🇪🇸 Lara Arruabarrena (second round)

• # 🇩🇪 Tatjana Maria (second round)

• # 🇷🇺 Natalia Vikhlyantseva (qualifying competition)

• # 🇺🇸 Varvara Lepchenko (second round)

Qualifiers
• # 🇧🇪 Kirsten Flipkens

• # 🇨🇿 Kristýna Plíšková

• # 🇧🇪 Elise Mertens

• # 🇵🇱 Magda Linette

• # 🇷🇴 Ana Bogdan

• # 🇸🇰 Jana Čepelová

Lucky losers

 * 1) 🇺🇸 Christina McHale