The art of the comeback was a big theme in Madrid on Wednesday night, with Angelique Kerber, Maria Kirilenko, Daniela Hantuchova and Ana Ivanovic all rallying from a set down to win.
Laura Robson stunned Agnieszka Radwanska for her first Top 5 win. Victoria Azarenka won a very tight two-setter against Anastasia Pavlyuchenkova in her first match back from an ankle injury.
One minute you're doing algebra, the next minute you're beating the World No.5 - it was all in a day's work for Madison Keys as the first round of the Mutua Madrid Open continued Sunday.
Top seed and defending champion Maria Sharapova stepped it up when it mattered most to edge German No.1 Angelique Kerber in the semifinals of the Porsche Tennis Grand Prix on Saturday.
In a match-up between Grand Slam champions and former World No.1s, Maria Sharapova edged Ana Ivanovic in a tight three-setter in the Porsche Tennis Grand Prix quarterfinals. Who's next?
Grand Slam champions Li Na and Petra Kvitova set up a tantalizing quarterfinal match-up at the Porsche Tennis Grand Prix in Stuttgart after winning their second round matches Thursday.
Top 10 stars Maria Sharapova, Li Na and Angelique Kerber were among those taking part in WTA Live All Access Hour presented by Xerox on Monday. Watch the video here.