Content: Criticism of the tennis system can be written. For example, there are too many competitions every year, which leads to injuries and even early retirement of athletes, drowning many talents. Men, such as Nadal, are constantly injured by fatigue at the end of each year, while women, such as Shawa, are gifted and always live with injuries.

Of course, the competition system is not necessarily the only reason. The competition system can spread thinking and association. The core is to seize youth and not be knocked down by fatigue and injury.