Well, this is one way to prove a point.
Debating calls and arguing with the chair umpire is nothing new in tennis. John McEnroe was master of it, Andy Roddick kept the tradition going, and Serena Williams redefined it.
But in the second-round of the 2013 Italian Open, Viktor Troicki of Serbia took it to a whole 'notha level.
Here is the controversial shot, which was called "out":
Troicki disagreed, so the chair umpire ran to the spot and showed him.
