The US Open is held annually in late August and early September over a two-week period. The main tournament consists of five event championships: men’s and women’s singles, men’s and women’s doubles, and mixed doubles, with additional tournaments for senior, junior, and wheelchair players. Since 1978, the tournament has been played on acrylic hard courts at the USTA Billie Jean King National Tennis Center in Flushing Meadows–Corona Park, Queens, New York City. The US Open is owned and organized by the United States Tennis Association (USTA), a not-for-profit organization. Net proceeds from ticket sales are used to promote the development of tennis in the United States.
The Australian Open is a major tennis tournament held annually over the last fortnight of January in Melbourne, Australia. First held in 1905, the tournament is chronologically the first of the four Grand Slam tennis events of the year – the other three being the French Open, Wimbledon, and the US Open. It features men’s and women’s singles; men’s, women’s, and mixed doubles and junior’s championships; as well as wheelchair, legends and exhibition events. Prior to 1988 the tournament had been played on grass. Since 1988 two types of hard court surfaces have been used at Melbourne Park – green Rebound Ace to 2007 and blue Plexicushion from 2008.
The Championships, Wimbledon; The Wimbledon Championships or simply Wimbledon, is the oldest tennis tournament in the world, and widely considered the most prestigious. It has been held at the All England Club in Wimbledon, London since 1877. It is one of the four Grand Slam tennis tournaments (Majors), the others being the Australian Open, the French Open (Roland Garros) and the US Open. Since the Australian Open shifted to hard court in 1988, Wimbledon is the only Major still played on grass, the game’s original surface, which gave the game its original name of “lawn tennis”.