How many weeks was Martina Navratilova ranked world No. 1 in doubles?
197
217
237
257
Answer
Martina Navratilova was ranked world No. 1 in doubles for a record 237 weeks. She is the only player in history to have held the top spot in both singles and doubles for over 200 weeks.
Mastering Martina: The Ultimate Martina Navratilova Tennis Trivia Challenge