Petra Kvitova
Video: Alison Riske, Petra Kvitova and Simona Halep react to US Open matches
Video: Alison Riske, Petra Kvitova and Simona Halep react to US Open matches
Video: Ivanovic, Kvitova and Raonic on first round wins
Video: Ivanovic, Kvitova and Raonic on first round wins
Erratic Serena Williams moves into third round at Cincinnati
Erratic Serena Williams moves into third round at Cincinnati
Southern California Open: Wildcard Virginie Razzano knocks Kvitova out
Southern California Open: Wildcard Virginie Razzano knocks Kvitova out
Robson ends Britain's 15-year wait, mystery men in last-16
Robson ends Britain's 15-year wait, mystery men in last-16
Wimbledon 2013: Five second round ladies matches to watch
Wimbledon 2013: Five second round ladies matches to watch
Wimbledon 2013: Experts' picks for the women's draw
Wimbledon 2013: Experts' picks for the women's draw
French Open Day 7: Tracking the progress of seeded players (Women’s singles)
French Open Day 7: Tracking the progress of seeded players (Women’s singles)
French Open Day 5: Tracking the progress of seeded players
French Open Day 5: Tracking the progress of seeded players
Fed Cup: Italy look to Czech-mate the defending champions
Fed Cup: Italy look to Czech-mate the defending champions
Anderson books quarter-final berth at Indian Wells
Anderson books quarter-final berth at Indian Wells
Video: 2013 Dubai duty free tennis championships final- highlights
Video: 2013 Dubai duty free tennis championships final- highlights