The 2014 Mutua Madrid Open lost two of its top four seeds before the tournament even started. Novak Djokovic withdrew after his right arm injury flared up yet again.
On the other hand, Roger Federer withdrew to be with his wife for the birth of his second set of twins. Congratulations to the Federer family.
Almost all of the other top players in the world made the trip to Madrid. Defending champion Rafael Nadal has made it through to the quarterfinals. He is looking to capture his first Masters title of the year.
After a great showing in Monte Carlo, Stanislas Wawrinka was upset in his first match by Dominic Thiem. Andy Murray also went down early to qualifier Santiago Giraldo.
Let's take a look at the quarterfinal matchups.