Tennis is a racket sport that is played either individually against a single opponent (singles) or between two teams of two players each (doubles). Each player uses a tennis racket strung with a cord to strike a hollow rubber ball covered with felt over or around a net and into the opponent's court. The object of the game is to manoeuvre the ball in such a way that the opponent is not able to play a valid return. The player unable to return the ball validly will not gain a point, while the opposite player will.
The Women's Tennis Association (WTA) is the principal organizing body of women's professional tennis. It governs the WTA Tour, which is the worldwide professional tennis tour for women, and was founded to create a better future for women's tennis. The WTA's corporate headquarters is in St. Petersburg, Florida, with its European headquarters in London and its Asia-Pacific headquarters in Beijing.
The US Open Tennis Championships, commonly called the US Open, is a hardcourt tennis tournament organized by the United States Tennis Association annually in Queens, New York City. It is chronologically the fourth and final of the four Grand Slam tennis events every year, held after the Australian Open, French Open, and Wimbledon.
The Wimbledon Championships, commonly called Wimbledon, is a tennis tournament organized by the All England Lawn Tennis and Croquet Club in collaboration with the Lawn Tennis Association annually in Wimbledon, London. It is chronologically the third of the four Grand Slam tennis events every year, held after the Australian Open and the French Open and before the US Open. It is the oldest tennis tournament in the world and is widely regarded as the most prestigious.
The Australian Open is a tennis tournament organized by Tennis Australia annually at Melbourne Park in Melbourne, Victoria, Australia. It is chronologically the first of the four Grand Slam tennis events every year, held before the French Open, Wimbledon and the US Open.
Billie Jean King, also known as BJK, is an American former world No. 1 tennis player. King won 39 Grand Slam titles: 12 in singles, 16 in women's doubles, and 11 in mixed doubles. King was a member of the victorious United States team in seven Federation Cups and nine Wightman Cups. For three years, she was the U.S. captain in the Federation Cup.
The Grand Slam in tennis is the achievement of winning all four major championships in one discipline in a calendar year. In doubles, a Grand Slam may be achieved as a team or as an individual with different partners. Winning all four major championships consecutively but not within the same calendar year is referred to as a "non-calendar-year Grand Slam", while winning the four majors at any point during the course of a career is known as a "Career Grand Slam".
The International Tennis Federation (ITF) is the governing body of world tennis, wheelchair tennis, and beach tennis. It was founded in 1913 as the International Lawn Tennis Federation by twelve national tennis associations. As of 2016, there are 211 national and six regional associations that make up the ITF's membership.
The Association of Tennis Professionals (ATP) is the governing body of the men's professional tennis circuits – the ATP Tour, the ATP Challenger Tour and the ATP Champions Tour. It was formed in September 1972 by Donald Dell, Jack Kramer, and Cliff Drysdale to protect the interests of professional tennis players, and Drysdale became the first president. Since 1990 the association has organized the ATP Tour, the worldwide tennis tour for men and linked the title of the tour with the organization's name. It is the governing body of men's professional tennis. In 1990 the organization was called the ATP Tour, which was renamed in 2001 as just ATP and the tour being called ATP Tour. In 2009 the name of the tour was changed again and was known as the ATP World Tour, but changed again to the ATP Tour by 2019. It is an evolution of the tour competitions previously known as Grand Prix tennis tournaments and World Championship Tennis (WCT). The ATP's global headquarters are in London. ATP Americas is based in Ponte Vedra Beach, Florida; ATP Europe is headquartered in Monaco; and ATP International, which covers Africa, Asia and Australasia, is based in Sydney, Australia.
The Indian Wells Open is an annual professional tennis tournament held in Indian Wells, California, United States. It is played on outdoor hardcourts at the Indian Wells Tennis Garden, and is held in March. The tournament is part of the ATP Masters 1000 events on the ATP Tour and part of the WTA 1000 events on the WTA Tour.
The Canadian Open is an annual professional tennis tournament held in Ontario and Quebec, Canada. It is played on outdoor hardcourts. The men's competition is an ATP Masters 1000 event on the ATP Tour, and the women's competition is a WTA 1000 event on the WTA Tour. It is the second-oldest active tennis tournament in the world, with Wimbledon the oldest.
The Cincinnati Open is an annual professional tennis event held in Cincinnati, United States. Due to previous sponsorship, it has also been known as: the Thriftway ATP Championships, the Great American Insurance ATP Championships, the Western & Southern Financial Group Masters and Women's Open and, most recently, the Western & Southern Open. It is played on outdoor hard courts at the Lindner Family Tennis Center in Mason, Ohio, and is held in August. The event started on September 18, 1899, and is the oldest tennis tournament in the United States still played in its original city. It also is the third largest tennis event in the United States, after the US Open and the Indian Wells Masters. It is one of the ATP Masters 1000 tournaments on the ATP Tour, and one of the WTA 1000 tournaments on the WTA Tour.
This page is a glossary of tennis terminology.
The WTA rankings are the ratings defined by the Women's Tennis Association, introduced in November 1975. The computer that calculates the ranking is nicknamed "Medusa".
The racket sport traditionally named lawn tennis, invented in Edgbaston, Warwickshire, England, now commonly known simply as tennis, is the direct descendant of what is now denoted real tennis or royal tennis, which continues to be played today as a separate sport with more complex rules.
The PIF ATP Rankings are the merit-based method used by the Association of Tennis Professionals (ATP) for determining the qualification for entry as well as the seeding of players in all singles and doubles tournaments. The first rankings for singles were published on 23 August 1973 while the doubles players were ranked for the first time on 1 March 1976. Ranking points are awarded according to the stage of tournament reached, and the prestige of the tournament, with the four Grand Slam tournaments awarding the most points. The rankings are updated every Monday, and points are dropped 52 weeks after being awarded. Jannik Sinner is the current men's singles world No. 1.
The ATP Masters events, known as ATP Masters 1000 tournaments since 2009, are an annual series of nine tennis tournaments featuring the top-ranked players on the ATP Tour since its inception in 1990. The Masters tournaments, sitting below the Grand Slam tournaments and the year-end championships, make up the most coveted trophies on the annual ATP Tour calendar. In addition to the quadrennial Summer Olympics, they are collectively known as the 'Big Titles'.
Naomi Osaka is a Japanese professional tennis player. She has been ranked world No. 1 in singles by the Women's Tennis Association (WTA) and is the first Asian player to hold the top ranking in singles. Osaka is a four-time Grand Slam singles champion, with two Australian Open and two US Open titles. Her seven titles on the WTA Tour also include two at the Premier Mandatory level. At the 2018 US Open and the 2019 Australian Open, Osaka won her first two major titles in back-to-back tournaments. She was the first woman to win successive major singles titles since Serena Williams in 2015.
Alexei Popyrin is an Australian professional tennis player.l He has a career-high ATP singles ranking of world No. 23 achieved on 12 August 2024. He also has a career-high ATP doubles ranking of No. 235 achieved on 27 June 2022. He is currently the No. 2 Australian singles player. He has won three singles titles on the ATP Tour, including a Masters 1000 in Canada.
2022 Thoreau Tennis Open 
CoCo Vandeweghe 
Varvara Flink 
