The ILTF Grand Prix tennis circuit was a professional tennis tour for male players that existed from 1970 to 1989. The Grand Prix and World Championship Tennis (WCT) were the two predecessors to the current tour for male players, the ATP Tour, with the Grand Prix being more prominent.
The U.S. National Indoor Championships was a tennis tournament that was last held at the Racquet Club of Memphis in Memphis, Tennessee, United States. The event was played on indoor hard courts and usually took place in February. For much of its more than 100-year history it was a combined men's and women's tournament but in 2014, its final year, only a men's tournament was held. The event was previously known under various sponsored names including the Memphis Open, the Regions Morgan Keegan Championships, the Kroger St. Jude Championship, and the Volvo Championships. It was called throughout most of its history the National Indoor Championships.
The River Oaks International Tennis Tournament, also known as the River Oaks Invitational Tennis Tournament, was a men's tennis tournament held in early spring from 1931 until 2007 at the River Oaks Country Club, Houston, Texas, USA. The tournament was the oldest in the country to still be played at its original site, in the original stadium. The tournament was founded by cotton broker Jack Norton. From the very beginning, the River Oaks International was an invitational amateur tournament, and was not associated with the professional tennis associations. From the start, the field was filled with a few stars and then local candidates filled out the rest of the field. The inaugural edition in April 1931, which made a loss of $1,500, was won by 19-year-old Ellsworth Vines. The tournament was not held during the World War II years 1942–1945.
The racket sport traditionally named lawn tennis, invented in Edgbaston, Birmingham, 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 first Lawn Tennis Club and tournament was held in Royal Leamington Spa on 1 August 1882.
The Stockholm Open, branded by its sponsored name as the BNP Paribas Nordic Open since 2023, is a professional tennis tournament played on indoor hardcourts at the Kungliga tennishallen in Stockholm, Sweden. Since 2001, the event has been held annually in October by the Association of Tennis Professionals (ATP) as an ATP 250 tournament on the ATP Tour. The tournament is owned by The Royal Lawn Tennis Club of Stockholm, SALK and Tennis Stockholm.
The Barcelona Open is an annual tennis tournament for male professional players. The event was founded in 1953 as a combined men's and women's tournament until 1980. It is played at the Real Club de Tenis Barcelona, Barcelona, Spain on clay courts. The event is also known as Torneo Barcelona.
The Manchester Open previously known as the Northern Lawn Tennis Championships, the Northern Championships, the Northern Tennis Tournament and the Manchester Trophy was a grass court tennis tournament on the ATP Tour held at the Northern Lawn Tennis Club, in the Didsbury suburb of Manchester, Great Britain. The tournament had been held annually from 1880 to 2009.
The Richmond WCT, also known by its sponsored names Fidelity Bankers Invitational and United Virginia Bank Tennis Classic, was a men's tennis tournament played in Richmond, Virginia in the United States founded in 1966 as the Richmond Invitational Indoor Championships. The inaugural edition in February 1966 was a two-day event with eight player and without prize money. The first six editions, from 1966 through 1971, were invitational tournaments and were held at the Richmond Arena. The 1970 edition was the first one to offer prize money, namely $12,500. In 1972 the event became part of the World Championship Tennis (WCT) Tour and moved to the Richmond Coliseum. All subsequent editions were held at the Coliseum except for the 1983 edition which was held at the Robins Center. All editions were held on indoor carpet courts. Lou Einwick was the tournament chairman or director for all editions.
The U.S. Professional Indoor Championships, also known as U.S. Pro Indoor, was a professional tennis tournament founded in 1962 as the Philadelphia Invitational Indoor Tennis Championships. The tournament was held in Philadelphia, United States from 1962 to 1998. It played on indoor carpet courts, and indoor hard courts. It was part of the ILTF World Circuit from 1962 to 1967 and again in 1970, the World Championship Tennis (WCT) circuit in 1968, 1969 and from 1971 to 1977 and the Grand Prix Tour from 1978 to 1989 before being held on the ATP Tour. It was held annually first at the Spectrum, and then at the CoreStates Center. It was originally named the Philadelphia Indoor Open Tournament prior to the open era.
The Monte-Carlo Masters is an annual tennis tournament for male professional players held in Roquebrune-Cap-Martin, France, which borders on Monaco. It is played on clay courts at the Monte Carlo Country Club and is held in May. The tournament is part of the nine ATP Tour Masters 1000 events on the ATP Tour. Rafael Nadal has won the men's singles title a record eleven times.
The Carolinas International Tennis Tournament, also known by its sponsored name North Carolina National Bank Tennis Classic, was a combined men's and women's tennis tournament founded in 1965. Also known as the Carolinas Invitational it was played at the Julian J. Clark Tennis Stadium on the grounds of the Olde Providence Racquet Club in Charlotte, North Carolina from 1971 through 1977. The inaugural edition was part of the Grand Prix tennis circuit while the following editions were part of the World Championship Tennis (WCT) circuit. The event was held on outdoor hard courts in 1971, and on outdoor clay courts in 1970 and from 1972 through 1977.
The Virginia Slims of Fort Lauderdale is a defunct WTA Tour affiliated women's tennis tournament founded in 1946 as a combined men's and women's event called the Austin Smith Championships that was part of the ILTF Circuit. The tournament played at the Fort Lauderdale Tennis Club from 1946 to 1974. It was held in Fort Lauderdale, Florida in the United States and played on outdoor clay courts.
The 1972 Commercial Union Assurance Grand Prix was a professional tennis circuit held that year and organized by the International Lawn Tennis Federation (ILTF). It consisted of 33 Grand Prix tournaments in different categories including three of the four Grand Slam tournaments and was followed by a season-ending Masters tournament. The circuit ran from February through November.
The 1976 World Championship Tennis circuit was one of the two rival professional men's tennis circuits of 1976. It was organized by World Championship Tennis (WCT) and consisted of a schedule of 25 tournaments leading up to a singles WCT Finals play-off in Dallas and a doubles play-off in Kansas City in May. A total of 54 players participated, 30 players less than in the previous three years, and the group system used in the previous editions was replaced by a single pool. The U.S. Pro Indoor was the only tournament in which all players participated, all other tournaments had a 16 men draw. The season final was played by the eight best performers and was won by the Swede Björn Borg who defeated Guillermo Vilas from Argentina in four sets. The total prize money for the 1976 WCT circuit was $2,400,000, including a $320,000 Avis Challenge Cup round–robin special event played in Hawaii in January and May.
The 1976 Lagos WCT, also known as the 1976 Lagos Tennis Classic, was a men's tennis tournament played on outdoor clay courts at the Lagos Lawn Tennis Club in Lagos, Nigeria. The event was part of the 1976 World Championship Tennis circuit. It was the inaugural edition of the tournament, which was the first professional tennis tournament in Black Africa, and was held from February 9 to 15, 1976. Unseeded Dick Stockton won the singles title.
The 1969 ILTF Men's Tennis Circuit includes International Lawn Tennis Federation tournaments that were not affiliated to the NTL Tour or the WCT Circuit. The circuit began on 31 December 1968 in Madras, India and finished on 29 December in New Orleans, United States. It was the 93rd season since the first men's tennis tournaments were staged and 56th season since ILTF was formed.
The Caribe Hilton International also called the Caribe Hilton International Championships was a men's and women's tennis tournament played outdoors on hard courts from 1953 to 1972. The women's editions from 1971 to 1972 were known as the Caribe Hilton Invitational.
The St. Petersburg Masters Invitational was a ILTF Circuit affiliated combined men's and women's clay court tennis tournament founded in 1953 as the Masters Invitational in St Augustine, Florida. In 1954 that event moved to Jacksonville, Florida until 1959. In 1960 the event moved to St Petersburg. It remained at the former location until 1971. After the men's event St Petersburg Masters Invitational was discontinued in 1971 the women's event continued as the Virginia Slims Masters St Petersburg. In 1974 the mens tournament was revived as St. Petersburg WCT until 1975 when it was abolished. the women's tournament continued under various brand names and at various locations in the Tampa Bay Area until it was discontinued in 1990.
The Colombian International also known as the Colombiano Internacional also known as the International Championships of Colombia or Campeonatos Internacionales de Colombia was a men's and women's clay court tennis tournament established in 1951 and played at the Country Club of Barranquilla, Barranquilla, Colombia, until 1970.
The Midland RC International was a men's and women's professional tennis tournament first founded in 1964 as the Midland Racquet Club National Invitational. It was first played on outdoor hard courts at the Midland Racquet Club, Midland, Texas, United States. The event ran for five editions and was usually staged late September to mid October annually until 1972.
Orlando Sirola 
Mervyn Rose 
Budge Patty 
Luis Ayala 
Mike Davies 
Andres Gimeno 
Thomaz Koch 
Pierre Barthès 
Nikola Pilić 
Rafael Osuna 
Haroon Rahim 
Ilie Năstase 
Zoltán Kuhárszky 
Andrés Gómez 
Ilie Năstase 
Norma Baylon