Photos: Best of the Madrid Open
Serena Williams, who withdrew from the Madrid Open with an upper leg injury, shows off her technique. (Julian Finney/Getty Images)
We're taking one last look at the Madrid Open, where Rafael Nadal and Maria Sharapova emerged victorious.
Nadal won his second-straight title after Kei Nishikori retired with a back injury, and Maria Sharapova claimed her first, rallying back against Simona Halep after dropping the first set.
Here are some of our favorite photos from the week:
Maria Sharapova: With her Madrid title, Sharapova has now won two of the four WTA Premier Mandatory tournaments. She just needs titles from Beijing and Miami to complete the set. (Julian Finney/Getty Images)
Li Na: Incoming! (Andres Kudacki/AP)
Rafael Nadal: The Reign in Spain continued with Nadal's successful defense of his Madrid title. (Andres Kudacki/AP)
Petra Kvitova: Whatever works. (Andres Kudacki/AP)
Simona Halep: A dark-horse favorite for the French Open came into the light by reaching her first Premier Mandatory final. (Daniel Ochoa de Olza/AP)
Petra Kvitova: Her run to the semifinals was her first on outdoor clay since the 2012 French Open. (Daniel Ochoa de Olza/AP)
Ana Ivanovic: The 2008 French Open champion has finally rediscovered her form on clay. (Daniel Ochoa de Olza/AP)
Sloane Stephens: A three-set loss to Li Na is nothing to be ashamed of for Stephens. (Daniel Ochoa de Olza/AP)
Halep: Eyes on the prize. (Andres Kudacki/AP)
Juan Monaco: Players aren't the only ones who get a workout on clay. So do the umpires. (Andres Kudacki/AP)
Roberta Vinci and Sara Errani: With their third title of the season, the Italians might want to start looking into flights to Singapore. (Julian Finney/Getty Images)
Sharapova: Who doesn't love a trophy that doubles as a torture device? (Andres Kudacki/AP)
Kei Nishikori and Rafael Nadal: Retiring with an injury in your first ATP Masters 1000 after leading the No. 1 player in the world? You'd be sad too. (Clive Brunskill/Getty Images)
Bob and Mike Bryan: Competitive fire is when your 24-match win streak is snapped and you're not happy about it at all. (Clive Brunskill/Getty Images)
Rafael Nadal:
