The 1974 South American Championships was a men's tennis tournament for male players that was part of the 1974 Commercial Union Assurance Grand Prix. It was played in Buenos Aires, Argentina, and held from 18 November through 24 November 1974. First-seeded Guillermo Vilas won the singles title.
The 1975 Rothmans Canadian Open was a tennis tournament played on outdoor clay courts at the Toronto Lawn Tennis Club in Toronto in Canada that was part of the 1975 Commercial Union Assurance Grand Prix and of the 1975 WTA Tour. The tournament was held from August 11 through August 17, 1975.
The 1975 Japan Open Tennis Championships was a combined men's and women's tennis tournament played on hard courts. The men's events were part of the 1975 Commercial Union Assurance Grand Prix and took place at the Denen Coliseum in Tokyo, Japan. The tournament was held from 2 November through 8 November 1975. Raúl Ramírez and Kazuko Sawamatsu won the singles titles.
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 1977 Torneo Godó or Trofeo Conde de Godó was a tennis tournament that took place on outdoor clay courts in Barcelona, Catalonia, Spain. It was the 25th edition of the tournament and was part of the 1977 Grand Prix circuit. It was held from 17 October 17 until 23 October 1977. First-seeded Björn Borg won the singles title.
The 1972 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 19th edition of the tournament and was part of the 1972 Grand Prix circuit. It was held from 16 October until 23 October 1972. Fifth-seeded Jan Kodeš won the singles title.
The 1976 Grand Prix German Open, also known by its sponsored name Holsten-Bier German Open. was a combined men's and women's tennis tournament played on outdoor red clay courts. It was the 68th edition of the event and was part of the 1976 Commercial Union Assurance Grand Prix circuit. It took place at the Am Rothenbaum in Hamburg, West Germany, from 17 May through 23 May 1976. Eddie Dibbs and Sue Barker won the singles titles.
The 1976 Austrian Open , also known as the 1976 Head Cup for sponsorship reasons, was a tennis tournament played on outdoor clay courts. It was categorized as a two-star tournament and was part of the 1976 Commercial Union Assurance Grand Prix circuit. It took place at the Tennis stadium Kitzbühel in Kitzbühel Austria and was held from 12 July until 19 July 1976. Manuel Orantes won the singles le.
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 1972 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 were part of the 1972 Commercial Union Assurance Grand Prix. It was the 29th edition of the tournament and was held from 24 April through 2 May 1972. The singles titles were won by Manuel Orantes and Linda Tuero.
The 1972 Grand Prix German Open was a combined men's and women's tennis tournament played on outdoor red clay courts. It was the 64th edition of the event and was part of the 1972 Commercial Union Assurance Grand Prix circuit. It took place at the Am Rothenbaum in Hamburg, West Germany, from 5 June through 11 June 1972. Manuel Orantes and Helga Masthoff won the singles titles.
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 1973 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 were part of the 1973 Commercial Union Assurance Grand Prix. It was the 30th edition of the tournament and was held from 2 June through 10 June 1973. The singles titles were won by Ilie Năstase and Evonne Goolagong.
The 1975 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 at The West Hants Club in Bournemouth, England. The event was part of the Grand Prix circuit and categorized as B class. It was the 46th edition of the tournament and was held from 12 May through 18 May 1975. Manuel Orantes and Janet Newberry won the singles titles.
The 1975 Düsseldorf Grand Prix, also known by its sponsored name Agfa Colour Cup, was a men's Grand Prix tennis circuit tournament held in Düsseldorf, West Germany and played on outdoor clay courts. It was the sixth edition of the tournament and was held from 26 May though 1 June 1975. Second-seeded Jaime Fillol won the singles title.
The 1975 Madrid Tennis Grand Prix, also known as the Trofeo Meliá, was a combined men's and women's tennis tournament played on outdoor clay courts at the Real Sociedad Hípica Española Club de Campo in Madrid, Spain. The men's tournament was classified as Group A category and was part of the 1975 Grand Prix circuit. It was the fourth edition of the tournament and was held from 6 October through 12 October 1975. Jan Kodeš and Heidi Eisterlehner won the singles titles.
The 1975 Indian Open was a men's tennis tournament played on outdoor clay courts in Calcutta, India. It was the third edition of the tournament and was held from 17 November through 23 November 1975. The tournament was part of the Grand Prix tennis circuit and categorized in Group A. Second-seeded Vijay Amritraj won the singles title.
The 1973 Louisville Open, also known as the First National Tennis Classic, was a men's tennis tournament played on outdoor clay courts at the Louisville Tennis Center in Louisville, Kentucky, USA. It was the fourth edition of the tournament and was held from 30 July through 5 August 1973. The tournament was part of the Grand Prix tennis circuit and categorized in Group A. The singles final was won by fourth-seeded Manuel Orantes who earned 80 Grand Prix points.
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 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.
Manuel Orantes [1] 
Renáta Tomanová 
Dianne Fromholtz / 
