2015 US Open -Players Who Qualified for the Women's Singles QF

 

1)Serena Williams -Defending Champion - Seeded No 1

2)Venus Williams - Seeded No 23

3)Kristina Mladenovic(France) - Seeded

4)Roberta Vinci(Italy) -

5)Petra Kvitiva(Czech Republic) - Seeded No 5

6)Flavia Pennetta(Italy) - Seeded No 26

7)Victoria Azarenka(Belarus) - Seeded No 20

8)Simona Halep(Romania) - Seeded No 2

2015 US Open QF Draw and Results

Serena Williams Vs Venus Williams 
Serena Williams beats Venus Williams 6-2, 1-6, 6-3
Serena Williams is 16-11 in their matches, taking 7of their last 8 meetings. Serena Williams leads 9-5 in majors and 3-2 at the US Open.
At 35, the oldest woman to enter the tournament, Venus Williams had her own reasons for wanting to win, of course. Venus Williams hadn't reached the semifinals at any Grand Slam tournament since the 2010 U.S. Open

Roberta Vinci(Italy)Vs Kristina Mladenovic(France)
Roberta Vinci(Italy)beats Kristina Mladenovic(France) 6-3 5-7 6-4
Roberta Vinci, a doubles specialist with a career grand slam on her resume, Vinci finally cracked the solo code to move onto the final four in singles at a major for the first time in her 18-year career

Flavia Pennetta Vs  Petra Kvitiva
Italy's 26th-ranked  Flavia Pennetta defeated 5th seeded Petra Kvitiva(Czech Republic)a two-time Wimbledon winner, by 4-6 6-4 6-2 in the first quarter-final at Arthur Ashe Stadium

Simona Halep Vs Victoria Azarenka
Simona Halep reached her first US Open semi-final Wednesday Sep 09,2015 by defeating two-time Australian Open champion Azarenka 6-3, 4-6, 6-4