Nicknamed "Cermis" by his countrymen...Began playing tennis at age seven with father, Frantisek, who is an office manager and also coaches junior players part-time in Kostice...Mother, Ivana, is a bookkeeper in a local hospital...Has one younger brother (15 months), Ivo, who is a policeman in Kostice...Speaks Czech, English and German...Played hockey at age three to 11 before concentrating full-time on tennis...Follows New York Rangers of NHL and enjoys listening to music from 1980s-90s (big fan of U2)...Growing up admired Ivan Lendl, Boris Becker and Stefan Edberg...Favorite surface is clay and slow hard courts and considers serve his best shot...Daughter, Elen.