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The foot fault judge used directional microphones to detect the striking of the ball by the player's racquet, when serving the ball, that functioned in conjunction with a timing circuit to detect if the players foot had activated the baseline line "IN" sensor immediately prior to, or during, the striking of the ball.
A second base umpire at a baseball game. In baseball and softball, there is commonly a head umpire (also known as a plate umpire) who is in charge of calling balls and strikes from behind the plate, who is assisted by one, two, three, or five field umpires who make calls on their specific bases (or with five umpires the bases and the outfield).
In tennis, an official is a person who ensures that a match or tournament is conducted according to the International Tennis Federation Rules of Tennis and other competition regulations. [2] At the highest levels of the sport, a team of up to eleven officials may be on court at any given time. [3]
Table tennis is unique among racket sports in that it supports a wide variety of playing styles and methods of gripping the racket, at even the highest levels of play. This article describes some of the most common table tennis grips and playing styles seen in competitive play. The playing styles listed in this article are broad categories with ...
Diagram of a table tennis table showing the official dimensions. The table is 2.74 m (9.0 ft) long, 1.525 m (5.0 ft) wide, and 76 cm (2.5 ft) high with any continuous material so long as the table yields a uniform bounce of about 23 cm (9.1 in) when a standard ball is dropped onto it from a height of 30 cm (11.8 in), or about 77%.
While the first referee watches over actions involving the ball (and thus the attacking team), the second referee usually judges errors committed by the defending team, like touching the net. The first referee assumes a supervisory control over the match at all times while creating a cooperative environment with the second referee, line judges ...
List of active gold-badge female tennis umpires Name Nation Year Notes Alison Hughes (née Lang): Great Britain: 2003 ITF umpire; referee since 1989. Officiated the women's singles final at the 2004 and 2008 Olympic Games, as well as the women's singles final at the 5 Grand Slam tournaments, including the 2016 US Open women's singles Final, the 2017 Australian Open women's singles final, the ...
There are a total of 19 books in the series. Table tennis was initially considered an alternative to lawn tennis at parties and events. However, the rapid rise in popularity of table tennis reached worldwide and caught attention in the United States. In 1993, the official governing body of the United States Table Tennis Association was created.