China Open tennis results

Following are the China Open tennis results here on Friday (prefix denotes seedings):

Men's singles quarterfinals

3-Rafael Nadal, Spain, bt Jack Sock, United States, 3-6, 6-4, 6-3

Fabio Fognini, Italy, bt Pablo Cuevas, Uruguay, 6-1, 2-6, 6-2

4-David Ferrer, Spain, bt Yen-Hsun Lu, Chinese Taipei, 6-3, 6-1

1-Novak Djokovic, Serbia, bt 6-John Isner, United States, 6-2, 6-2

Women's singles quarterfinals

4-Agnieszka Radwanska, Poland, bt 10-Angelique Kerber, Germany, 6-1, 6-4

6-Ana Ivanovic, Serbia, bt Anastasia Pavlyuchenkova, Russia, 6-3, 7-5

12-Timea Bacsinszky, Switzerland, bt Sara Errani, Italy, 0-6, 6-3, 7-5

5-Garbine Muguruza, Spain, bt Bethanie Mattek-Sands, United States, 6-1, 7-5

Women's doubles semifinals

1-Martina Hingis, Switzerland/Sania Mirza, India, bt Chen Liang, China/Yafan Wang, China, 6-2, 6-3

Endi