<page_title> List of ATP number 1 ranked singles tennis players </page_title> <section_title> Number 1 ranked players </section_title> <table> <cell> Serbia Novak Djokovic (4) § <col_header> Player </col_header> </cell> <cell> Present <col_header> End date </col_header> </cell> </table>
Novak Djokovic is a Serbian tennis player who is currently ranked No. 1 in singles tennis by the Association of Tennis Professionals (ATP).