The Italian Open is an annual professional tennis tournament held in Rome, Italy. It is played on clay courts at the Foro Italico, and is held during the second week of May. The tournament is part of the ATP Tour Masters 1000 events on the ATP Tour and part of the WTA 1000 events on the WTA Tour. The two events were combined in 2011. Rafael Nadal has won the men's singles title a record ten times.
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.
World Championship Tennis (WCT) was a tour for professional male tennis players established in 1968 and lasted until the emergence of the ATP Tour in 1990. A number of tennis tournaments around the world were affiliated with WCT and players were ranked in a special WCT ranking according to their results in those tournaments.
The WCT Tournament of Champions is a defunct men's tennis tournament that was held on the WCT Tour from 1977–1990. It was held in Lakeway, Texas in 1977, Las Vegas, Nevada in 1978, Dorado Beach, Puerto Rico in 1979, and Forest Hills, New York City from 1980–1990.
The 1985 Nabisco Grand Prix was a professional men's tennis circuit held that year. It consisted of 71 tournaments held in 19 different countries. The tour incorporated the four ITF grand slam tournaments, three World Championship Tennis tournaments and the Grand Prix tournaments. Total prize money for the circuit was $23 million. The circuit was administered by the Men's International Professional Tennis Council (MIPTC). In November 1985 the MIPTC sued player–management agencies ProServ and IMG alleging that these firms were holding the tennis game hostage and were 'exerting extensive power over players'.
National Tennis Leagues (NTL) was a tour for professional male tennis players established in 1967 by George MacCall. In 1970 it was sold to the World Championship Tennis (WCT), a competing professional tennis league run by Lamar Hunt.
The 1980 Volvo Grand Prix was a men's professional tennis circuit held that year. It incorporated the four grand slam tournaments, the Grand Prix tournaments. The Grand Prix circuit is a precursor to the ATP Tour.
The 1978 Colgate-Palmolive Grand Prix was a professional tennis circuit held that year. It consisted of four Grand Slam tournaments, the Grand Prix tournaments and the Nations Cup, a team event. In addition eight World Championship Tennis (WCT) tournaments, a separate professional tennis circuit held from 1971 through 1977, were incorporated into the Grand Prix circuit. The 28 tournaments with prize money of $175,000 or more formed the Super Series category. Jimmy Connors won 10 of the 84 tournaments which secured him the first place in the Grand Prix points ranking. However he did not play enough tournaments (13) to qualify for largest share ($300,000) of the bonus pool, which instead went to third–ranked Eddie Dibbs.
The 1985 Alan King Classic was a men's tennis tournament played on outdoor hard courts at Caesars Palace in Las Vegas, United States. It was the 13th and last edition of the event and was part of the 1985 Nabisco Grand Prix circuit. The tournament was held from April 29 through May 5, 1985. Unseeded Johan Kriek won the singles title.
The Grand Prix Super Series of men's tennis tournaments was part of the Grand Prix and World Championship Tennis tours between 1970 and 1989. They were held annually throughout the year in Europe, North America, Africa and Asia. These tournaments were the most prestigious and highest level events of the Grand Prix Tour after the majors and year-end championships. They had six name changes from 1970 through to 1977: Group One, Group B, Group A, Group AA, 5 Star and 6 Star, before settling on a consistent naming format called "Super Series" from 1978 until 1989.
The 1971 ILTF Women's Tennis Circuit was the 58th season since the formation of the International Lawn Tennis Federation in 1913, it consisted of a number of tennis tournaments for female tennis players.
The 1972 ILTF Women's Tennis Circuit was the 58th season since the founding of the International Lawn Tennis Association and was the final season to be solely administered by the ILTF.
The 1978 WCT Tournament of Champions, also known by its sponsored name Shakey's Tournament of Champions, was a men's tennis tournament played on outdoor carpet courts at the Las Vegas Hilton in Las Vegas in the United States. The event was part of the 1978 World Championship Tennis (WCT) tour, which in turn was part of the 1978 Grand Prix circuit, but was classified as a special event and as such did not count towards the Grand Prix rankings. It was the second edition of the tournament and was held from March 20 through March 26, 1978. Björn Borg won the singles title and the accompanying $60,000 first prize money.
The 1978 Alan King Tennis Classic was a men's tennis tournament played on outdoor hard courts at the Caesars Palace in Las Vegas, Nevada in the United States that was part of the 1978 Colgate-Palmolive Grand Prix. It was the seventh edition of the tournament was held from April 24 through April 30, 1978. Harold Solomon won the singles title after Barazzutti had to forfeit in the second set due to illness induced by food poisoning. Solomon earned $50,000 first-prize money as well as 225 Grand Prix points.
The 1980 Alan King Tennis Classic, also known as the Alan King-Ceasers Palace Tennis Classic, was a men's tennis tournament played on outdoor hard courts at the Caesars Palace in Las Vegas, United States. It was the ninth edition of the event and was part of the 1980 Volvo Grand Prix circuit. The tournament was held from April 21 through April 27, 1980. First-seeded Björn Borg won the singles title and the accompanying $60,000 first-prize money. It was Borg's second successive singles title at the tournament.
The 1976 Alan King Tennis Classic was a men's tennis tournament played on outdoor hard courts at the Caesars Palace in Las Vegas, Nevada in the United States that was sanctioned by the ATP but not part of the Grand Prix or World Championship Tennis circuits. It was the fifth edition of the tournament held from May 10 through 16, 1976. First-seeded Jimmy Connors won the singles title for the first time and earned $30,000 first-prize money as well as a new car.
The 1979 Alan King Tennis Classic was a men's tennis tournament played on outdoor hard courts at the Caesars Palace in Las Vegas, Nevada in the United States that was part of the 1979 Colgate-Palmolive Grand Prix. It was the eighth edition of the tournament was held from April 23 through April 29, 1979. First-seeded Björn Borg won the singles title and earned $33,750 first-prize money.
The 1981 Alan King Tennis Classic, also known as the Alan King-Caesars Palace Tennis Classic, was a men's tennis tournament played on outdoor hard courts at the Caesars Palace in Las Vegas, United States. It was the tenth edition of the event and was part of the Super Series of the 1981 Volvo Grand Prix circuit. The tournament was held from April 20 through April 26, 1981. First-seeded Ivan Lendl won the singles title and the accompanying $60,000 first-prize money.
The 1982 Alan King Tennis Classic, also known as the Alan King-Caesars Palace Tennis Classic, was a men's tennis tournament played on outdoor hard courts at the Caesars Palace in Las Vegas, United States. It was the 11th edition of the event and was part of the 1982 Volvo Grand Prix circuit. The tournament was held from April 19 through April 25, 1982. First-seeded Jimmy Connors won the singles title and the accompanying $60,000 first-prize money after his opponent in the final, Gene Mayer, retired due tro a sprained ankle.. It was Connors' third singles title at the tournament after 1976 and 1977.
The 1983 Alan King Tennis Classic, also known as the Alan King-Caesars Palace Tennis Classic, was a men's tennis tournament played on outdoor hard courts at the Caesars Palace in Las Vegas, United States. It was the 12th edition of the event and was part of the 1983 Volvo Grand Prix circuit. The tournament was held from April 18 through April 24, 1983. First-seeded Jimmy Connors won the singles title and the accompanying $62,500 first-prize money. It was Connors' second consecutive singles title at the tournament and the fourth in total.
John Newcombe 
Cliff Drysdale 
Brian Gottfried 
Raúl Ramírez 
Corrado Barazzutti 
Björn Borg 
Ivan Lendl 
Álvaro Fillol 
Wojtek Fibak 
Carlos Kirmayr