It 's one thing to be playing singles in the U.S. Open at Arthur Ashe ( Stadium ) .
At the end of the day , this is not only one of the ultimate team sports , but perhaps the ultimate team sport .
It 's one thing to be playing singles in the U.S. Open at Arthur Ashe ( Stadium ) , but at the end of the day , this is not only one of the ultimate team sports , but perhaps the ultimate team sport .