With Roger Federer’s recent win of the 2009 French Open, he is now tied with Pete Sampras for holding the most Grand Slam titles — fourteen. Although the two athletes have arrived at the same destination, how do their respective journeys compare with one another? With this question fueling my curiosity, I set out to create a rich visualization of the data to add some depth to this story.

The final product is available as follows. For additional notes about the techniques used to create these graphs, keep on reading.