Who won men's singles US Open 2018?

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Tags

1. #semifinal
2. #final
3. #nadal
4. #match
5. #defeating
6. #title
7. #potro
8. #novak
9. #djokovic
10. #tying
11. #overall
12. #grand
13. #rafael
14. #third
15. #retired
16. #sampras
17. #defending
18. #champion
19. #against
20. #singles