Can Federer end the year number 1?

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Tags

1. #fourteen
2. #february
3. #dates
4. #roger
5. #years
6. #recent
7. #after
8. #between
9. #recently
10. #history
11. #world
12. #ranking
13. #first
14. #federer
15. #longest
16. #becoming
17. #player