<page_title> List of World Number One male golfers </page_title> <section_title> Number one ranked men </section_title> <table> <cell> Jason Day <col_header> Player </col_header> </cell> <cell> September 20, 2015 <col_header> Start date </col_header> </cell> <cell> September 26, 2015 <col_header> End date </col_header> </cell> </table>
Jason Day is a World Number 1 in the World Golf Ranking, achieved the ranking in September 2015.