Martina Navratilova is a person.
Martina Navratilova . Navratilova holds the records for most singles titles ( 167 ) and for most doubles titles ( 177 ) in the open era . She was ranked in the world 's top 10 in singles for a record 20 consecutive years ( 1975 -- 1994 ) , a span which included 19 years in the top 5 , 15 years in the top 3 , and 7 years as the world No. 1 ranked singles player .