David Ferrer has won the second highest percentage of service games of the final eight men (92%), just ahead of World No. 2 Roger Federer. Ferrer is known for his tenacious, relentless baseline game. If he continues to serve at this level he could prove dangerous for the rest of the remaining field.
Check SI.com's French Open data hub page throughout the whole tournament for the latest data-driven infographics and charts from IBM, the official technology partner for the French Open. IBM captures and analyzes the data that powers all of the Grand Slams, as well as the digital platforms that extend the experience to fans around the world.