Roger Federer has left the results as whixh various conventions may be sufficient from a child's time.
It grew up favorably also from it and wins the victory in the most famous convention in the world repeatedly.
And Federer helps many people of ther area in which are caught in natural disasters and suffered damage through tennis.
Moreover, the charity event is performed with otherfamous tennis players.
Therefore, since Federer is the player who was excellent also as a reasonable player in addition to his skill, we regard Federer as his being the No.1 tennis player in the world.
REFERENCES
Roger Federer Wikimedia http://commons.wikimedia.org/wiki/File:R_federer.jpg
