The Cincinnati Open is an annual professional tennis event held in Cincinnati, United States. 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.
The Swiss Indoors is a professional men's tennis tournament played on indoor hard courts at the St. Jakobshalle in Basel, Switzerland.
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 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.
Seiko Super Tennis was the 1984 name of a men's professional tennis tournament played in Maui or Honolulu, Hawaii from 1974 through 1984 that was part of the Grand Prix circuit. It was played on outdoor hard courts in Maui every year except 1984, when it was played on indoor carpet courts at the Blaisdell Arena in Honolulu.
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 Tennis South Invitational, also known as the Mississippi Indoors, was a men's tennis tournament played at the Mississippi Coliseum in Jackson, Mississippi in the United States from 1973 until 1977. The event was played as part of the USLTA Indoor Circuit from 1973 through 1975 and became a World Championship Tennis event in 1976. In its final year, 1977, it was an independent event, i.e. not part of a tennis tour or circuit. The tournament was played on indoor carpet courts. Ken Rosewall was the only multiple singles champion, winning the title in 1975 and 1976.
The Hershey Open was a golf tournament in Pennsylvania on the PGA Tour from 1933 to 1941. It was played at the Hershey Country Club in Hershey on what is now called the West Course. It was played as a 72-hole stroke play event every year except 1938. That year, it was played as a 126-hole round-robin match play tournament with eight two-man teams and called the Hershey Four-Ball; its format was identical to the one used by the Inverness Invitational Four-Ball. The event was not held in 1940, when the club hosted the PGA Championship.
The 1969 Philadelphia International Indoor Open Championships was a men's WCT tennis tournament played on indoor carpet courts. It was played at the Spectrum in Philadelphia, Pennsylvania in the United States. It was the second edition of the tournament and was held from February 5 through February 9, 1969. Total attendance for the five-day event was 44,538. First-seeded Rod Laver won the singles title.
The Cacharel Caracas Open was a men's tennis tournament founded as the Altimira International, also known as the Altamira International Invitation and Caracas International Championships. The tournament was played annually at the Altamira Tennis Club, Miranda, Caracas, Venezuela usually in mid-March initially as part of the ILTF Caribbean Circuit.
The Kansas City Open was a defunct men's and women's tennis tournament founded in 1951. The event was first staged at the Plaza Tennis Center. Kansas City, Missouri, United States. The tournament ran until 1978.
The Virginia Slims of Richmond is a defunct WTA Tour affiliated women's tennis tournament founded in 1968 as the Westwood Indoor Invitation. It was held at the Westwood Racquet Club in Richmond, Virginia in the United States and played on indoor clay courts. The 1970 invitational tournament was the second women's only tennis tournament after the 1970 Houston Women's Invitation.
The Jacksonville Open also known as the Greater Jacksonville Invitation or Greater Jacksonville Open is a defunct men's and women's tennis tournament founded in 1961 as the Jacksonville Invitation originally played on outdoor hard courts later switching to indoor courts. The tournament ran until 1977.
The Miami Grand Prix is a defunct men's tennis tournament founded in 1935 then revived in 1948, then 1968 when it was part of the WCT Circuit from 1968, 1971–1974 and the Grand Prix tennis circuit from 1977–1978. The event was played on outdoor asphalt hard courts in 1935, 1948, 1968, 1971–1974, then switching to outdoor clay courts in 1977, and becoming an indoor carpet courts event in 1978. The tournament was last held in Hollywood, Miami, Florida, United States.
A carpet court is a type of tennis court. The International Tennis Federation describes the surface as a "textile or polymeric material supplied in rolls or sheets of finished product". It is one of the fastest court types, second only to grass courts. The use of carpet courts in ATP Tour competitions ended in 2009. In women's tennis, no WTA Tour tournaments have used carpet courts since the last edition of the Tournoi de Québec in 2018. ATP Challenger and ITF circuit level tournaments with carpet courts continue to exist up to the present (2023).
For many years before the Open Era of tennis in 1968, the usual format for the handful of touring tennis professionals was a series of two-man one-night stands across the United States and often in other countries as well. The most notable of these tours were the "World Series" or "World Professional Championships", in which the reigning world champion went head-to-head against a challenger, most often the leading amateur of the previous year who had just turned pro. Promoters would attempt to sign the leading amateur to a contract with a minimum guarantee against a percentage of gate receipts, making a similar type of deal with the reigning professional champion and sometimes giving smaller percentages to undercard players. The winners of the tours were described as being the "world champion".
The German Indoor Championships or officially the West German Indoor Championships was a men's and women's international open tennis tournament founded in 1911 as the German Covered Court Championships or German International Covered Court Championships and first played on indoor wood courts at the Bremen Tennis Club. The tournament was mainly held in Bremen, West Germany, but was also played at other locations for the duration of its run. In 1981 the championships were last held in Stuttgart then it was discontinued.
The Amackassin Club Invitation was a men's and women's clay court tennis tournament founded in 1890. It was played at the Amackassin Club, Yonkers, New York, United States from 1890 to 1939 when it was downgraded from the main worldwide ILTF Circuit.
The Anaheim Open was a men's and women's hard court tennis tournament was established in 1963 as the Anaheim Invitational Tennis Tournament. The tournament was played at Pearson Park Tennis Courts, Pearson Park, Anaheim, California, United States until 1970 when it was discontinued.
The Tulsa Invitation also known as the TTC Invitational was a men's and women's clay court tennis tournament was founded in 1958. The tournament was played at the Tulsa Tennis Club, Tulsa, Oklahoma, United States. It played annually through till 1975 when it was discontinued.
Berkeley Bell 
Niki Pilic 
Cliff Drysdale 
Istvan Gulyas 
Mark Cox 
Jan Kodeš