The major tennis championships use the following: the French Open (法国网球公开赛，简称法网) uses the "red clay court" (红土球场); the US Open (美国网球公开赛，简称美网) and Australian Open (澳大利亚网球公开赛，简称澳网), the "hard court"; and the Wimbledon (温布尔登网球公开赛，简称温网), the "grass court".21ST, Get with it...
