<page_title> List of ATP number 1 ranked singles tennis players </page_title> <section_title> Number 1 ranked players </section_title> <table> <cell> Russia Marat Safin <col_header> Player </col_header> </cell> <cell> November 20, 2000 <col_header> Start date </col_header> </cell> </table>
Marat Safin achieved the Association of Tennis Professionals (ATP) No. 1 singles ranking on November 20, 2000.