Mutua Madrid Open Men's Tennis Update - May 11

The Magic Box, Madrid, Spain

Total Prize Money: $4,000,000

FRIDAY'S QUARTERFINAL MATCHES

Novak Djokovic (1) vs. Janko Tipsarevic (7)
Roger Federer (3) vs. David Ferrer (5)
Tomas Berdych (6) vs. Fernando Verdasco (15)
Juan Martin del Potro (10) def. Alexandr Dolgopolov (16), 6-3, 6-4