Is it played on grass or clay?
The French Open is played on a red clay surface.
hard clay courts
The French Open is played in Paris and is played on clay.
The first surface tennis was played on was grass
Wimbledon is played in London, England.
The Championships, Wimbledon are played at the All England Club in the suburb of Wimbledon (Greater London). It is the oldest tennis tournament in the world, dating to 1877.