A clay court is one of many different types of tennis court. Clay courts are made of crushed shale, stone, brick, or other unbound mineral aggregates. The French Open uses clay courts, making it unique among the Grand Slam tournaments. Clay courts are more common in Continental Europe and Latin America than in North America, Asia or Britain. Two main types exist: red clay, the more common variety, and green clay, also known as "rubico", which is a harder surface. Although less expensive to construct than other types of tennis courts, the maintenance costs of clay are high as the surface must be rolled to preserve flatness.
Trying to become the first Norwegian champion in ATP World Tour history, Casper Ruud beat qualifier Daniel Elahi Galan of Colombia 7-5, 6-2 to reach the U.S. Men's Clay Court Championship
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