2015 Rogers Cup – Women's singles

Belinda Bencic won the women's singles tennis title at the 2015 Canadian Open after Simona Halep retired in the final, with scoreline at 7–6(7–5), 6–7(4–7), 3–0. Bencic defeated six major finalists in succession en route to her first WTA Tour title. At 18 years and 23 weeks of age, Bencic became the youngest woman to win the tournament, surpassing Ana Ivanovic's record from 2006.

Agnieszka Radwańska was the defending champion, but lost in the quarterfinals to Halep.

Seeds
The top eight seeds received a bye into the second round. • 🇺🇸 Serena Williams (semifinals)

• 🇷🇴 Simona Halep (final, retired)

• 🇨🇿 Petra Kvitová (second round)

• Caroline Wozniacki (second round)

• 🇷🇸 Ana Ivanovic (quarterfinals)

• 🇵🇱 Agnieszka Radwańska (quarterfinals)

• 🇨🇿 Lucie Šafářová (second round)

• 🇪🇸 Garbiñe Muguruza (second round)

• 🇪🇸 Carla Suárez Navarro (first round)

• 🇨🇿 Karolína Plíšková (first round)

• 🇷🇺 Ekaterina Makarova (second round)

• Timea Bacsinszky (first round)

• 🇩🇪 Angelique Kerber (third round)

• 🇺🇸 Venus Williams (first round)

• 🇮🇹 Sara Errani (semifinals)

• 🇩🇪 Andrea Petkovic (third round)

Seeds
• # 🇺🇸 CoCo Vandeweghe (moved to main draw)

• # 🇸🇰 Magdaléna Rybáriková (first round)

• # Mirjana Lučić-Baroni (qualified)

• # 🇺🇦 Lesia Tsurenko (qualified)

• # 🇩🇪 Carina Witthöft (qualified)

• # 🇬🇧 Heather Watson (qualified)

• # 🇨🇿 Lucie Hradecká (first round)

• # 🇩🇪 Julia Görges (qualifying competition, lucky loser)

• # 🇦🇺 Casey Dellacqua (qualifying competition)

• # 🇩🇪 Mona Barthel (qualifying competition)

• # 🇷🇸 Aleksandra Krunić (first round)

• # Ajla Tomljanović (qualifying competition)

• # 🇰🇿 Yulia Putintseva (first round, retired)

• # Polona Hercog (qualified)

• # 🇪🇸 Lara Arruabarrena (qualifying competition)

• # 🇦🇺 Jarmila Gajdošová (qualifying competition)

• # 🇺🇸 Irina Falconi (qualified)

• # 🇧🇾 Olga Govortsova (qualified)

• # 🇵🇱 Urszula Radwańska (first round)

• # 🇭🇺 Tímea Babos (first round)

• # 🇺🇸 Lauren Davis (first round)

• # Ana Konjuh (first round)

• # 🇨🇴 Mariana Duque Mariño (qualified)

• # 🇵🇱 Magda Linette (qualifying competition)

• # 🇧🇪 Yanina Wickmayer (qualified)

Qualifiers
• # Polona Hercog

• # Monica Puig

• # Mirjana Lučić-Baroni

• # 🇺🇦 Lesia Tsurenko

• # 🇩🇪 Carina Witthöft

• # 🇬🇧 Heather Watson

• # 🇨🇴 Mariana Duque Mariño

• # 🇧🇪 Yanina Wickmayer

• # 🇯🇵 Misaki Doi

• # 🇺🇸 Anna Tatishvili

• # 🇧🇾 Olga Govortsova

• # 🇺🇸 Irina Falconi

Lucky losers

 * 1) 🇩🇪 Julia Görges