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A tennis court is the venue where the sport of tennis is played. It is a firm rectangular surface with a low net stretched across the centre. The same surface can be used to play both doubles and singles matches. A variety of surfaces can be used to create a tennis court, each with its own characteristics which affect the playing style of the game.
An electronic line judge is a device used in tennis to automatically detect where a ball has landed on the court. Attempts to revolutionize tennis officiating and the judging of calls in the sport began in the early 1970s and has resulted in the design, development and prototyping of several computerized, electronic line-judge devices.
Real tennis (also royal tennis or court tennis): An indoor racket sport which was the predecessor of the modern game of (lawn) tennis. The term real is used as a retronym to distinguish the ancient game from the modern game of lawn tennis. Known also as court tennis in the United States or royal tennis in Australia. [113]
There are four types of tennis court: Clay court – Grass court – Hard court – Carpet court – The parts of a tennis court include: Ad court – short for "advantage court", it is the left side of the receiving team, or the right side of the opponent's court as viewed from the server's side, significant as the receiving side for an ad point.
A line umpire stands at a ready position, focusing on his assigned line. The line umpire (or line judge) "calls all shots relating to the assigned lines." [6] Line umpires work on court as part of a team of between one and nine line umpires. Each line umpire is assigned to one line or, in the case of a short-handed crew, a position in a system.
Cyclops is a computer system co-invented by Bill Carlton of Great Britain and Margaret Parnis England of Malta, [1] which is used on the ATP and WTA professional tennis tours as an electronic line judge to help determine whether a serve is in or out.
The original multi-colored, no-line tennis court has eleven separate colored areas with no segregating lines. As a functional, no-line tennis court design it was issued a USPTO utility patent #4,045,022 in 1977 to its inventors, Geoffrey Grant, an avid and successful senior tennis competitor, and Robert Nicks, an engineer.
Utsubo Tennis Center Center Court: 5,000 Osaka Japan Japan Women's Open [136] Guangzhou International Tennis Center 5,000 Guangzhou China Guangzhou International Women's Open (2009–10) Warszawianka Courts 4,500 Warsaw: Poland Orange Warsaw Open: Legia Tennis Centre: 4,000 Warsaw: Poland Warsaw Open: Darling Tennis Center: 3,500: Las Vegas ...