The Hamburg European Open is an annual tennis tournament for professional players held in Hamburg, Germany and part of the Association of Tennis Professionals (ATP) Tour. Before 2021, it was a male-only event.
The 1976 Paris Open, also known as the Jean Becker Open, was a Grand Prix men's tennis tournament played on indoor carpet courts. It was the 7th edition of the Paris Open. It took place at the Palais omnisports de Paris-Bercy in Paris, France from 25 October through 31 October 1976. Eddie Dibbs won the singles title.
The 1978 Rothmans Canadian Open was a tennis tournament played on outdoor clay courts at the National Tennis Centre in Toronto in Canada that was part of the 1978 Colgate-Palmolive Grand Prix and of the 1978 WTA Tour. The tournament was held from August 14 through August 20, 1978.
The 1975 Commercial Union Assurance Grand Prix was a professional tennis circuit administered by the International Lawn Tennis Federation (ILTF) which served as a forerunner to the current Association of Tennis Professionals (ATP) World Tour and the Women's Tennis Association (WTA) Tour. The circuit consisted of the four modern Grand Slam tournaments and open tournaments recognised by the ILTF. The Commercial Union Assurance Masters, Davis Cup Final and Nations Cup are included in this calendar but did not count towards the Grand Prix.
The 1978 Cincinnati Open was a tennis tournament played on outdoor clay courts at the Coney Island in Cincinnati, Ohio in the United States that was part of the 1978 Colgate-Palmolive Grand Prix. The tournament was held from July 10 through July 16, 1978. First-seeded Eddie Dibbs won the singles title.
The 1976 Cincinnati Open was a men's tennis tournament played on outdoor hard courts at the Coney Island in Cincinnati, Ohio in the United States. It was the 76th edition of the tournament and was part of the Three Star category of the 1976 Commercial Union Assurance Grand Prix circuit. The tournament was held from July 12 through July 18, 1976. Second-seeded Roscoe Tanner won the singles title.
The 1976 Torneo Godó or Trofeo Conde de Godó was a men's tennis tournament that took place on outdoor clay courts in Barcelona, Spain. It was the 24th edition of the Torneo Godó tournament and was part of the Three Star category of the 1976 Grand Prix circuit. It was held from 18 October through 24 October 1976. Fourth-seeded Manuel Orantes won the singles title.
The 1976 British Hard Court Championships, also known by its sponsored name Coca-Cola British Hard Court Championships, was a combined men's and women's tennis tournament played on outdoor clay courts in Bournemouth, England. The men's event was part of the 1976 Commercial Union Assurance Grand Prix. The tournament was held from 10 May through 16 May 1976. Wojciech Fibak and Helga Masthoff won the singles titles.
The 1975 Swedish Open was a combined men's and women's tennis tournament played on outdoor clay courts held in Båstad, Sweden. It was classified as a Group B category tournament and was part of the 1975 Grand Prix circuit. It was the 28th edition of the tournament and was held from 7 July until 7 July 1975. Manuel Orantes and Sue Barker won the singles titles.
The 1975 Aryamehr Cup was a men's professional tennis tournament played on outdoor clay courts at the Imperial Country Club in Tehran in Iran. It was part of the 1975 Commercial Union Assurance Grand Prix as a Group AA category event. The tournament was held from 20 October through 26 October 1975. Eddie Dibbs won the singles title.
The 1971 Grand Prix German Open was a combined men's and women's tennis tournament played on outdoor red clay courts. It was the 63rd edition of the tournament. The event was part of the 1971 Pepsi-Cola Grand Prix circuit and categorized as a B Class tournament. It took place at the Am Rothenbaum in Hamburg, West Germany, from 17 May through 23 May 1971. Andrés Gimeno and Billie Jean King won the singles titles.
The 1981 WCT Tournament of Champions was a men's tennis tournament played on outdoor clay courts at the West Side Tennis Club in Forest Hills, Queens, New York City in the United States and part of the 1981 Grand Prix circuit. It was the fifth edition of the tournament and was held from May 4 through May 10, 1981. The event was open to players who had won a tournament worth at least $25,000 during the previous 12 months. Tenth-seeded Eddie Dibbs won the singles title and the accompanying first prize of $100,000 plus $3,050 in bonus money.
The 1974 Grand Prix German Open was a combined men's and women's tennis tournament played on outdoor red clay courts. It was the 66th edition of the event and was part of the 1974 Commercial Union Assurance Grand Prix circuit. It took place at the Am Rothenbaum in Hamburg, West Germany, from 20 May through 26 May 1974. Third-seeded Eddie Dibbs won the singles title.
The 1975 Italian Open was a combined men's and women's tennis tournament that was played by men on outdoor clay courts at the Foro Italico in Rome, Italy. The men's and women's tournament was part of the 1975 Commercial Union Assurance Grand Prix. It was the 32nd edition of the tournament and was held from 26 May through 3 June 1975. The singles titles were won by Raúl Ramírez and Chris Evert.
The 1975 Grand Prix German Open was a combined men's and women's tennis tournament played on outdoor red clay courts. It was the 67th edition of the event and was part of the 1975 Commercial Union Assurance Grand Prix circuit. It took place at the Am Rothenbaum in Hamburg, West Germany, from 19 May through 25 May 1975. Manuel Orantes and Renáta Tomanová won the singles titles.
The 1975 Austrian Open was a combined men's and women's tennis tournament played on outdoor clay courts. It was categorized as Grade B tournament and was part of the 1975 Commercial Union Assurance Grand Prix circuit. It took place at the Tennis stadium Kitzbühel in Kitzbühel Austria and was held from 7 July through 13 July 1975. Adriano Panatta and Sue Barker won the singles titles.
The 1977 Grand Prix German Open was a combined men's and women's tennis tournament played on outdoor red clay courts. It was the 69th edition of the event and was part of the 1977 Colgate-Palmolive Grand Prix circuit and categorized as a four-star event. It took place at the Am Rothenbaum in Hamburg, West Germany, from 9 May through 15 May 1977. Paolo Bertolucci, after a victory in the final over title-holder Manuel Orantes, and Laura duPont won the singles titles.
The 1980 U.S. Pro Tennis Championships was a men's tennis tournament played on outdoor green clay courts at the Longwood Cricket Club in Chestnut Hill, Massachusetts in the United States. The event was part of the 1980 Volvo Grand Prix circuit. It was the 53rd edition of the tournament and was held from July 14 through July 20, 1980. Fourth-seeded Eddie Dibbs won the singles title.
The 1973 German Open was a combined men's and women's tennis tournament played on outdoor clay courts. It was the 66th edition of the event and was part of the 1973 Commercial Union Assurance Grand Prix circuit. It took place at the Am Rothenbaum in Hamburg, West Germany, from 11 June until 17 June 1973. Eddie Dibbs and Helga Masthoff won the singles titles.
The 1978 Bank of Oklahoma Grand Prix was a men's tennis tournament played on outdoor hard courts at the Shadow Mountain Racquet Club in Tulsa, Oklahoma in the United States that was part of the 1978 Colgate-Palmolive Grand Prix. It was the inaugural edition of the tournament was held from April 24 through April 30, 1978. Eddie Dibbs won the singles title and earned $8,500 first-prize money.
Eddie Dibbs [1] 
Sue Barker [2] 
Linky Boshoff / 
