For evidence, we will rely on the speculations of history's greatest legends and give them a chance to come to 2012 to take on the ATP, and also measure them by the past decade.
Of course, removing the technology and conditions from past legends takes away their comforts and methods of success, so part of this speculation will attempt to examine the former legends by guessing as to how they would adapt with today's demand for baseline power and efficiency. Do they have the skill sets to generate topspin and pace, and can they return well?
There are five legends from the ATP that would undoubtedly struggle with this simulation.
In the WTA, things are more in flux in 2012. It would not be as difficult for Steffi Graf to continue her success now, for example.
There are three legends from the WTA that would probably struggle today, and in the context of the past decade.
Finally, the players that appear in this article were champions, so they would continue to battle with their trademark determination and heart. This is not to denigrate the players from the past, but to try and give an honest look at their skills in the modern game, and likewise show the evolution of tennis. They will be presented chronologically.
There is a major surprise on the final slide that may take a BCS computer to help with the math and speculation. Have fun!