A U.S. Open Series event
Friday
At Aviva Centre
Toronto
Purse: $2.38 million (Premier)
Surface: Hard-Outdoor
Singles
Quarterfinals

Simona Halep (2), Romania, def. Agnieszka Radwanska (6), Poland, 0-6, 6-3, 6-1.

Sara Errani (15), Italy, def. Lesia Tsurenko, Ukraine, 6-4, 6-4.

Serena Williams (1), United States, def. Roberta Vinci, Italy, 6-4, 6-3.

Belinda Bencic, Switzerland, def. Ana Ivanovic (5), Serbia, 6-4, 6-2.

Doubles
Quarterfinals

Kristina Mladenovic, France, and Karolina Pliskova, Czech Republic, def. Sharon Fichman and Carol Zhao, Canada, 6-2, 6-2.

Caroline Garcia, France, and Katarina Srebotnik (4), Slovenia, def. Irina-Camelia Begu and Raluca Olaru, Romania, 6-3, 6-2.

Martina Hingis, Switzerland, and Sania Mirza (1), India, def. Chan Hao-ching and Chan Yung-jan, Taiwan, 6-4, 6-2.

Bethanie Mattek-Sands, United States, and Lucie Safarova (3), Czech Republic, def. Sara Errani, Italy, and Flavia Pennetta (6), Italy, 6-0, 7-6 (6).