Photograph By Rennino Maifredi for ESPN The Magazine
Why we chose her: She shows that lightning-fast reflexes can come in the most graceful of packages.
Take it from a pro: "Biba's reaction time is almost instant. And her legs are like a sprinter's; she's able to stay bent and agile for long periods of time. She plays like a guy and hits the ball hard, with a lot of spin. Yet her motions are very easy, very fluid. You don't find that combination often."
-Robert Blackwell Jr., President, Killerspin