Originally posted by picastoc
True, but then the fitness level requires more diligence to regular workouts than Kyrgios acknowledged that he possesses.
Andy Murray was rather painful to watch but, of course, heroic effort.
The art and science of body preservation in your youthful years is not a system that is adequately considered in sport. IMO.
This is were B. Tomic has some advantage because his game is not a powerplay on every point.