What balls are used at the French Open?

Related questions

1. Why do tennis players wear skirts?
2. Do players have to wear white at Wimbledon?
3. Why is Wimbledon dress code white?
4. How many seats does Wimbledon Number 1 have?
5. What is the biggest tennis tournament in the world?
6. How did Dr Arthur Ashe die?
7. What is the best Grand Slam?
8. Are women's tennis balls different to men's?
9. Is there an itv4 plus 1 channel?
10. Is there a difference between tennis balls?

Tags

1. #court
2. #wimbledon
3. #majors
4. #slams
5. #babolat
6. #there
7. #slazinger
8. #criticism
9. #dunlop
10. #balls
11. #grand
12. #wilson
13. #french
14. #switching
15. #three
16. #australian
17. #different