Many people who watched matches from Roger Federer saw he doesn’t sweat. So, i think this cause many questions because a reporter from Eurosport 2 investigate “the cause”.

She started with a few tennis players who knows Federer and then she finalize with a doctor’s explanation. Justine Henin offered one of the best answer: She said Federer is so well prepared that he is actually very relaxed when he play a tennis game. I think she is right because Roger Federer play tennis like a God.

Watch entire video below: