1, different materials

Hard court is generally paved with cement and asphalt, and the surface is coated with red and green plastic. The French Open is dominated by clay courts. Wimbledon is made of expensive grass.

2. Different characteristics

Both the Australian Open and the US Open are hard courts with high hardness, regular rebound and fast rebound speed. In terms of hardness, the Australian Open is not as good as the US Open, and the ball speed is slower than the US Open.

The clay court of the French Open is characterized by high friction between the ball and the ground and slow ball speed. Generally speaking, both players on the clay court need to fight for a point for several rounds. Grass is characterized by low friction between the ball and the ground, fast rebound speed and low bounce.

3. Need different technologies

Players of the French Open should have better physical fitness, running and moving ability than other courts. Wimbledon requires players' responsiveness, agility, running speed and skill.

Extended data:

History:

The first Australian Open Competition was held on 1905 at Will horsman Cricket Court in Melbourne. Among them, the men's competition was founded in 1905, and the women's competition began in 1922. The lawn tennis court was used at first, and 1988 was changed to a hard court. 1968, after the professionalization of international tennis, it was listed as one of the four major open tournaments.

The French Open began at 189 1. At first, only French players participated, and foreign players were not allowed to participate until 1925. 1928 The French Open is held every year from the end of May to the beginning of June at Roland Galos Tennis City on the edge of the Boulogne forest in western Paris. The venue is a clay court, so it is also called a clay court tennis match.

Wimbledon championships are held regularly from the last week of June to the beginning of July every year, which has formed a tradition, and the qualification is determined by the accumulated scores obtained in major events in the previous year.

The US Open started at 188 1. Each competition is held at the National Tennis Center in Flushing Park, new york, USA from the end of August to the beginning of September each year. 1997, the game was held in the newly-built Arthur Ashe Tennis Center.

Baidu Encyclopedia-Four Grand Slams of Tennis