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In tennis, "Battle of the Sexes" describes various exhibition matches played between a man and a woman, or a doubles match between two men and two women in one case. The term is most famously used for an internationally televised match in 1973 held at the Houston Astrodome between 55-year-old Bobby Riggs and 29-year-old Billie Jean King, which King won in three sets. The match was viewed by an estimated fifty million people in the United States and ninety million worldwide. King's win is considered a milestone in public acceptance of women's tennis.

Two other matches commonly referred to as a "battle of the sexes" include one held four months earlier in 1973 between Riggs and Margaret Court over the best of three sets, and one in 1992 between Jimmy Connors and Martina Navratilova over the best of three sets, with hybrid rules favoring the female player dubbed "The Battle of Champions". These matches were won by Riggs and Connors, respectively. (Full article...)

The Davis Cup is an annual international team event in men's tennis. Established in 1900 as the International Lawn Tennis Challenge, it is run by the International Tennis Federation (ITF), who describe it as the "World Cup of tennis." The first event in 1900 was a match between Great Britain and the United States, while 135 nations entered the 2016 Davis Cup.

The tournament sees players competing for their country in four singles and one doubles matches, known as rubbers, over the course of three days, with the team that wins three rubbers progressing. The countries are divided into groups based upon their location or performance in previous years. The Davis Cup World Group is the top level of the competition and features matches between players from the top 16 countries at the start of the year. Countries that lose their first round match face a relegation play-off against winning countries from the continental zones. World Group winning countries progress to the quarter-finals. Nations have to win a further three ties in order to claim the position of Davis Cup champions.The United States are the most successful nation in the history of the competition, with 32 victories. Australia are second with 28 (individually or in a combined Australasia team) and Great Britain and France are tied for third with 10. Teams from Europe have won the competition the most with 48 victories, followed by North America with 33 and Oceania with 28. (Full article...)

Wheelchair tennis is one of the forms of tennis adapted for wheelchair users. The size of the court, net height and rackets are the same, but there are two major differences from pedestrian tennis: athletes use specially designed wheelchairs, and the ball may bounce up to two times, where the second bounce may also occur outside the court.

Wheelchair tennis has been played at all four Grand Slams since 2007 and is one of the sports played at the Summer Paralympics. There are three categories, Men, Women, and Quads; each category has singles and doubles tournaments. The Quad, the newest division, is for players that have substantial loss of function in at least one upper limb, but may include various disabilities besides quadriplegia. The division is sometimes called Mixed, especially at the Paralympic Games. Quad players often tape the rackets to their hand, to compensate for loss of function, and some players are allowed to use electric-powered wheelchairs. (Full article...)

The Australian Open is an annual tennis tournament created in 1905 and (since 1988) played on outdoor hardcourts at Melbourne Park in Melbourne, Australia. The Australian Open is played over a two-week period beginning in mid-January and has been chronologically the first of the four Grand Slam tournaments each year since 1987. The event was not held from 1916 to 1918 because of World War I, from 1941 to 1945 because of World War II and in 1986. The timing of the Australian Open has changed several times. In 1977, the date of the final moved from January to December, which resulted in having two Australian Opens in 1977; there was a January edition and a December edition that year. The originally planned December 1986 edition was moved forward to January 1987, resulting in no Australian Open in 1986. The Australian Open was an Open Era event for the first time in 1969. One year previously in 1968 the French Open, Wimbledon and the US Open were Open Era events for the first time. (Full article...)

This article covers the period 1884 to present. Before the beginning of the Open era in April 1968, only amateurs were allowed to compete in established tennis tournaments, including the four Grand Slams. Wimbledon, the oldest of the majors, was founded in 1877, followed by the US Open in 1881, the French Open in 1891, and the Australian Open in 1905. Beginning in 1905 and continuing to the present day, all four majors have been played yearly, with the exception of the two World Wars, 1986 for the Australian Open, and 2020 for Wimbledon. The Australian Open is the first major of the year (January), followed by the French Open (May–June), Wimbledon (June–July), and US Open (August–September).

There was no prize money and players were compensated for travel expenses only. A player who wins all four current major tournaments in the same calendar year, as an individual or as part of a doubles team, is said to have achieved the "Grand Slam". If the player wins all four consecutively, but not in the same calendar year, it is called a "Non-Calendar Year Grand Slam". Winning all four at some point in a career, even if not consecutively, is referred to as a "Career Grand Slam". Winning the four majors and a gold medal in tennis at the Summer Olympics has been called a "Golden Slam" since 1988. Winning all four plus gold at some point in a career, even if not consecutively, is referred to as a "Career Golden Slam". Winning the Year-end Championship also having won a Golden Slam is referred to as a "Super Slam". Winning the four majors in all three disciplines a player is eligible for–singles, doubles, and mixed doubles–is considered winning a "boxed set" of Grand Slam titles. (Full article...)

Tennis was part of the Summer Olympic Games program from the inaugural 1896 Summer Olympics, but was dropped after the 1924 Summer Olympics due to disputes between the International Lawn Tennis Federation and the International Olympic Committee over how to define amateur players. After two appearances as a demonstration sport in 1968 and 1984 (with a U-21 age limit), it returned as a full medal sport at the 1988 Summer Olympics open for all players regardless of their age and status and has been played at every summer Games since then. (Full article...)

The Borg–McEnroe rivalry was a tennis rivalry between Björn Borg and John McEnroe, who met 14 times on the regular tour and 22 times in total between November 1978 and April 1981. Their head-to-head was even at 7–7. Their on-court rivalry was highlighted by their contrasting temperaments and playing styles: the Swede Borg was known for his cool and emotionless demeanor on court, while the American McEnroe was famed for his court-side tantrums. As a result, their rivalry was described as "Fire and Ice". They were tied in their five-set matches at 1–1.

In 1980, McEnroe reached the singles final at Wimbledon for the first time, where he faced Borg, who was aiming for an Open Era record fifth consecutive Wimbledon title. At the start of the final McEnroe was booed by the crowd as he entered Centre Court following his heated exchanges with officials during his semi-final clash with Jimmy Connors. In a fourth set tie-breaker that lasted 20 minutes, McEnroe saved five match points (seven altogether in that set) and eventually won 18–16. However, he was unable to break Borg's serve in the fifth set and Borg went on to win 8–6. This match is widely considered one of the best tennis matches ever played. McEnroe defeated Borg at the US Open final the same year in five sets. (Full article...)

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.

At the highest levels of the sport, a team of up to eleven officials may be on court at any given time. These officials are broken up into categories based on their responsibility during the match. Contrastingly, many tennis matches are conducted with no officials present directly on court. (Full article...)

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 ITF's governance responsibilities include maintaining and enforcing the rules of tennis, regulating international team competitions, promoting the game, and preserving the sport's integrity via anti-doping and anti-corruption programs. The ITF partners with the Association of Tennis Professionals (ATP) and the Women's Tennis Association (WTA) to govern professional tennis. (Full article...)

The Open Era is the current era of professional tennis. It began in 1968 when the Grand Slam tournaments allowed professional players to compete with amateurs, ending the division that had persisted in men's tennis since the dawn of the sport in the 19th century. The first "open" tournament was held in Bournemouth, England, followed by the inaugural open Grand Slam tournament a month later. All records are based on data from the Women's Tennis Association (WTA), the International Tennis Federation (ITF), and the official sites of the four Grand Slam tournaments. Active streaks and active players are in boldface. (Full article...)

In tennis, the strings are the part of a tennis racquet which make contact with the ball. The strings form a woven network inside the head (or "hoop") of the racquet. Strings have been made with a variety of materials and possess varying properties that have been measured, such as dynamic stiffness, tension retention, thickness (gauge), string texture (shape of the string), and rebound efficiency. (Full article...)

The Davis Cup is the premier international team event in men's tennis. It is run by the International Tennis Federation (ITF) and is contested annually between teams from over 150 competiting countries, making it the world's largest annual team sporting competition. It is described by the organisers as the "World Cup of Tennis", and the winners are referred to as the World Champions. The competition began in 1900 as a challenge between Great Britain and the United States. By 2023, 155 nations entered teams into the competition.

The most successful countries over the history of the competition are the United States (winning 32 titles and finishing as runners-up 29 times) and Australia (winning 28 titles, including six with New Zealand as Australasia, and finishing as runners-up 21 times). The current champions are Italy, who beat Australia to win their second title in 2023. (Full article...)

List of Mixed Doubles Grand Slam tennis tournament champions:

Although several players have won at least one title in each of the four majors to achieve the Career Grand Slam, only three players have won the Grand Slam, all four titles in a single calendar year. This includes one team, Margaret Court and Ken Fletcher in 1963, as well as Court and Owen Davidson separately with different partners. Billie Jean King completed the "non-calendar year Grand Slam" by winning all four majors in a row in a period spanning two calendar years. (Full article...)

The US Open men's singles championship is an annual tennis tournament that is part of the US Open and was established in 1881. It is played on outdoor hard courts at the USTA Billie Jean King National Tennis Center in Flushing Meadows – Corona Park, New York City, United States. The US Open is played during a two-week period in late August and early September, and has been chronologically the last of the four Grand Slam tournaments of the tennis season since 1987. Newport (1881–1914), Forest Hills (1915–1920, 1924–1977), and Philadelphia (1921–1923) held the event before it settled in 1978 at the USTA National Tennis Center, now the USTA Billie Jean King National Tennis Center, in New York City. The inaugural tournament, in 1881, was reserved for United States National Lawn Tennis Association (USNLTA) club members, before the championships opened to international competitors in 1882. The USTA is the national body that organizes this event. (Full article...)

The French Open, also known as Roland-Garros, is an annual tennis tournament held over two weeks in May and June. Established in 1891 and played since 1928 on outdoor red clay courts at the Stade Roland Garros in Paris, France, the French Open is (since 1925) one of the four Grand Slam tournaments played each year, the other three being the Australian Open, Wimbledon, and the US Open. Organised by the Fédération Française de Tennis (FFT), the French Open is the second of the four Grand Slam tournaments of the year to be played. In 1968, it was the first Grand Slam tournament to open to non-amateur players.

The winner of the men's singles event receives the Coupe des Mousquetaires, named after The Four Musketeers of French tennis: Jean Borotra, Jacques Brugnon, Henri Cochet, and René Lacoste. The event was not held from 1915 to 1919 because of the First World War and was held unofficially as the Tournoi de France under German occupation from 1941 to 1944, during the Second World War. (Full article...)