These guys are totally in shape and young and they understand the importance of heat control. Check out this article about the guy who was in the longest match in tennis history.

Mahut defeats Falla, in a mere 83 minutes | Tennis

He fell behind love-40 in the first game of the third set before winning with a dropshot Falla couldn’t quite get to. Falla missed a passing shot wide, and then after an overpowering serve Falla hit his next return into the net. …

Publish Date: 07/07/2010 6:00

http://www.tennis.fm/2010/07/mahut-defeats-falla-in-a-mere-83-minutes/