Began playing at age seven with family...Nicknamed "Diesel" and comes from a tennis-playing family...Younger brother, Chris, played at Univ. of Illinois and clinched NCAA team title in 2003 (defeating brother David's Stanford in SF); younger sister, Julie, played at Vanderbilt...Father, Scott, played tennis and basketball at Univ. of Oklahoma and LSU and "held" Pete Maravich to 41 points (three below his average)...Mother, Jeanette, played at Southern Methodist Univ. in Dallas...In high school, played on same basketball team with Andy Roddick and Mardy Fish in Florida...Played four years at Stanford from 2000-03 and helped Cardinal to NCAA team title in 2000...Also reached singles SF and doubles final in '02 (w/Lipsky)Named national senior player of year and named to academic All-American team in '03...Enjoys dancing and says he can do the worm on dance floor...Favorite band is Three Doors Down and likes to play guitar...Says Jesus Christ is most inspirational person in his life...Coached by former ATP pro Scott McCain (since 1999).