Collated results of French Open in day 11 competitions

Following are the collated results of the 2015 French Open tennis tournament at Roland Garros on Wednesday:

Men's singles quarter-finals

1-Novak Djokovic, Serbia, bt 6-Rafael Nadal, Spain, 7-5, 6-3, 6-1

3-Andy Murray, Britain, bt 7-David Ferrer, Spain, 7-6 (4), 6-2, 5-7, 6-1

Women's singles quarter-finals

1-Serena Williams, United States, bt 17-Sara Errani, Italy, 6-1, 6-3

23-Timea Bacsinszky, Switzerland, bt Alison Van Uytvanck, Belgium, 6-4, 7-5

Women's doubles quarterfinals

7-Bethanie Mattek-Sands, United States/Lucie Safarova, Czech Republic, bt 1-Martina Hingis, Switzerland/Sania Mirza, India, 7-5, 6-2

9-Andrea Hlavackova/Lucie Hradecka, Czech Republic, bt 4-Hsieh Su-Wei Hsieh, Chinese Taipei/Flavia Pennetta, Italy, 7-5, 3-6, 7-5

Mixed doubles semifinals

2-Bethanie Mattek-Sands/Mike Bryan, United States, bt Katarina Srebotnik, Slovenia/Horia Tecau, Romania, 4-6, 6-3, 10-8

Lucie Hradecka, Czech Republic/Marcin Matkowski, Poland, bt Zheng Jie, China/Henri Kontinen, Finland, 7-5, 7-6 (5)

Endi