No matter your skill level, apply these big-picture doubles principles to your own game.

“They have unbelievable rhythm in their play,” says their father, Wayne, of the soon-to-be Hall of Famers—and longtime musicians.

“It was painless to work with her,” said Joe Pytka, who directed the superstar's famous Canon commercial. “There was a discipline to her.”

The case can be made that destiny had chosen the Americans to become one of the greatest doubles teams ever.

Intelligence, drive, will: At a very young age, she took ownership of all three, kept her foot on the gas pedal for many years, and built a resume worthy of enshrinement.