Bouchard steps in for a backhand!
Petkovic hits a fierce forehand
Serena Williams hits a powerful forehand
Bencic focusing on the ball
Scheepers hits a forehand winner
Madison Keys focuses on her shot
Daniela Hantuchova fists pump after winning a point!
Sloane Stephens reaches for a ball to keep the point going
Sloane Stephens serves up an ace!
Errani puts extra top spin on this shot!