Which tennis surface is fastest?

Related questions

1. Do junior tennis players get paid?
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4. Which tennis court surface is the best?
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Tags

1. #courts
2. #australian
3. #between
4. #somewhere
5. #grass
6. #garros
7. #slams
8. #fastest
9. #playing
10. #roland
11. #first
12. #wimbledon
13. #grand
14. #players
15. #slowest
16. #surface
17. #tennis
18. #analysts
19. #considered
20. #later