Who is the oldest ranked tennis player?

Related questions

1. Can Federer be number 1 again?
2. Will Federer play clay?

Tags

1. #world
2. #having
3. #federer
4. #title
5. #rotterdam
6. #became
7. #sunday
8. #oldest
9. #crowned
10. #player
11. #reach
12. #tennis
13. #roger