About 1500 red clay field belongs to the battlefield and is the most typical representative of the battlefield. In addition, all kinds of common green soil and silt can be called battlefield. More accurately, it is a "soft court", and the most typical representative is the French Open Tennis Tournament on clay court. This kind of ground is not very hard. The ground is covered with a layer of fine sand or brick powder. When the ball hits the ground, it has great friction with the ground. Under normal humidity, the ball will take off at a slower speed. Players will have a lot of sliding space when running, especially when they stop suddenly, and they can make beautiful sliding. Playing in this venue is a great test for players, mainly to test their kung fu and patience at the bottom line. Players usually have to pay several times of sweat and patience to deal with their opponents at the bottom line. Winners are often not people who often surf the internet, but people who struggle at the bottom line. This determines that players must have better will quality and better running, moving and balancing ability than other courts. In this sense, the clay court is usually a paradise for bottom line players, and it is difficult for players who use online service tactics to stand on the clay court.

The battlefield is softer than the hard field, and it will be more comfortable to hit with your knees. Although the cost of grass is relatively low, the battlefield is not as widely used as in the past, because although the cost is relatively low, it is also quite troublesome to maintain. Usually, you need to water, level and sweep frequently, and do it almost every day before use. Moreover, after the rainy day, it needs leveling, rolling, etc., and the required tools and labor are not easy at all. However, this process is still very beautiful. The newly arranged battlefield always makes people more eager to practice. About 170 film, I hope you can find the answer.