Who is the greatest woman tennis player of all time?

Related questions

1. Who won women's single Australian Open 2019?
2. Who has won the calendar Grand Slam in tennis?
3. Why is it hard to play tennis on clay?
4. How long was Lleyton Hewitt number 1 in the world?
5. Has anyone won all Grand Slams in one year?
6. What is the longest 5th set in tennis?
7. Who is the oldest player to win a Grand Slam title?
8. Who won men's singles US Open 2018?
9. Who won the US Open female?
10. Who is the winner of Grand Slam?

Tags

1. #tennis
2. #women
3. #still
4. #serena
5. #dominated
6. #label
7. #powerful
8. #germany
9. #williams
10. #sport
11. #australian
12. #saturday
13. #steffi
14. #grand
15. #sharapova
16. #although
17. #title
18. #maria
19. #player
20. #straight
21. #arguably