Fernando Verdasco
Some start young, and some start really young! Fernando Verdasco started playing tennis when he was only four years old and unbelievably had a full-time coach from the age of eight. In April 2009 he ranked as the world’s number 7. He makes our list due to his lightning-fast serve at the 2009 French Open of 232 km/h (144 mph).
Anna Lena Grönefeld
Anna Lena Grönefeld is a German tennis player who turned professional in 2003. She experienced all the ups and downs of a true athlete, even leading her to consider quitting in 2007, and boy oh boy are we glad that she didn’t. In 2009 she competed in the 2009 Indian Wells Masters and served the 11th fastest female serve at 201.1 km/h (125.0 mph).