2015 Connecticut Open – Singles

Petra Kvitová was the defending champion, and successfully defended her title, defeating compatriot and fourth seed Lucie Šafářová in the final 6–7(6–8), 6–2, 6–2.

Seeds
The top two seeds received a bye into the second round. • # 🇷🇴 Simona Halep (withdrew)

• # 🇨🇿 Petra Kvitová (champion)

• # Caroline Wozniacki (semifinals)

• # 🇨🇿 Lucie Šafářová (final)

• # 🇨🇿 Karolína Plíšková (quarterfinals)

• # Timea Bacsinszky (first round)

• # 🇵🇱 Agnieszka Radwańska (quarterfinals)

• # 🇮🇹 Sara Errani (first round)

Seeds
• # 🇷🇴 Monica Niculescu (withdrew, left abdominal injury)

• # 🇧🇬 Tsvetana Pironkova (moved to main draw)

• # 🇺🇦 Lesia Tsurenko (qualifying competition, lucky loser)

• # 🇮🇹 Roberta Vinci (qualified)

• # 🇩🇪 Carina Witthöft (qualifying competition)

• # 🇸🇰 Magdaléna Rybáriková (qualified)

• # 🇷🇴 Alexandra Dulgheru (first round)

• # 🇧🇪 Alison Van Uytvanck (first round, retired)

• # 🇩🇪 Julia Görges (withdrew, right wrist injury)

• # 🇸🇪 Johanna Larsson (qualifying competition)

• # 🇨🇿 Lucie Hradecká (first round)

• # 🇦🇺 Casey Dellacqua (withdrew, still playing doubles in Cincinnati)

• # 🇺🇸 Christina McHale (qualifying competition)

• # 🇩🇪 Annika Beck (qualifying competition)

• # Polona Hercog (qualified)

• # 🇧🇾 Olga Govortsova (qualified)

Qualifiers
• # Polona Hercog

• # 🇺🇦 Olga Savchuk

• # 🇰🇿 Yulia Putintseva

• # 🇮🇹 Roberta Vinci

• # 🇧🇾 Olga Govortsova

• # 🇸🇰 Magdaléna Rybáriková

Lucky loser

 * 1) 🇺🇦 Lesia Tsurenko