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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.
Center line – line dividing the two service boxes in the center of the court. Center mark – 12-inch mark at the halfway point of the baseline used to distinguish the right and left halves of a tennis court. Deuce court – right side of the receiving team, the left side of the opponent's court as viewed from the server's side, significant ...
Basic line marking machines for turf were available by the late 1800s. [1]: 40 They were originally developed for use on lawn tennis courts.[1]: 40 One of the first such machines, a wheel-to-wheel paint transfer device, was developed by F.H. Ayres and "would be instantly recognizable by users of many of today's machines, which work on the same principle".
The 2025 ATP Tour is the global elite men's professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2025 tennis season. The 2025 ATP Tour calendar comprises the Grand Slam tournaments, supervised by the International Tennis Federation (ITF), the ATP Finals, the ATP Masters 1000, the United Cup (organized with the WTA), the ATP 500 series and the ATP 250 ...
FILE - Switzerland's Stan Wawrinka jokes with a line judge in his Men's singles match against United States' Reilly Opelka during the Wimbledon Tennis Championships in London, Wednesday, July 3, 2019.
The dimensions of a tennis court. The dimensions of a tennis court are defined and regulated by the International Tennis Federation (ITF) governing body and are written down in the annual 'Rules of Tennis' document. [1] The court is 78 ft (23.77 m) long. Its width is 27 ft (8.23 m) for singles matches and 36 ft (10.97 m) for doubles matches. [2]
Received a point penalty for unsportsmanlike conduct after crossing the net to check the mark, and later a game penalty for yelling "shut the f*** up" at spectators; the latter resulting in an $8,000 fine. [71] [72] 2022 French Open, France Andrey Rublev: Kwon Soon-woo: Fined $8,000 for smacking the ball and throwing drink on-court in anger.
These tables present the number of singles (S) and doubles (D) titles won by each player and each nation during the season. The players/nations are sorted by: 1) total number of titles (a doubles title won by two players representing the same nation counts as only one win for the nation); 2) a singles > doubles hierarchy; 3) alphabetical order (by family names for players).