The 1975 South American Open also valid as the ATP Buenos Aires was a men's Grand Prix tennis circuit tournament played on outdoor clay courts in Buenos Aires, Argentina. The event was part of the 1975 Grand Prix circuit and was held from 10 November through 16 November 1975. First-seeded Guillermo Vilas won the singles title.
The 1974 Bavarian Tennis Championships was a men's Grand Prix tennis circuit tournament held at the MTTC Iphitos in Munich, West Germany which was played on outdoor clay courts. It was the 58th edition of the tournament and was held from 13 May through 19 May 1974. Seventh-seeded Jürgen Fassbender won the singles title.
The 1976 Romika Cup, also known by as the Bavarian Tennis Championships, was a men's tennis tournament that was part of the Two Star category of the 1976 Grand Prix tennis circuit. The tournament was held at the MTTC Iphitos in Munich, West Germany and ran from 4 May through 9 May 1976. Manuel Orantes won the singles title.
The 1977 Romika Cup was a men's tennis tournament played on outdoor clay courts at the MTTC Iphitos in Munich, West Germany. It was part of the 1977 Grand Prix tennis circuit and categorized as a Two Star event. The tournament was held from 26 April through 1 May 1977. Željko Franulović won the singles title.
The 1976 Volvo International was a men's tennis tournament played on outdoor clay courts in North Conway, New Hampshire in the United States and was part of the 1976 Commercial Union Assurance Grand Prix circuit. It was the fourth edition of the tournament and was held from August 1 through August 8, 1976. First-seeded Jimmy Connors won the singles title and the accompanying $10,000 first-prize money. Due to persistent rainfall that preceded the arrival of Hurricane Belle the final was moved to the indoor courts at Algonquin Tennis Center.
The 1976 Suisse Open Gstaad was a men's tennis tournament played on outdoor clay courts in Gstaad, Switzerland. It was the 31st edition of the tournament and was held from 4 July through 11 July 1976. The tournament was part of the Grand Prix tennis circuit. Raúl Ramírez won the singles title.
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 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 U.S. Clay Court Championships was a combined men's and women's tennis tournament held in Indianapolis, Indiana in the United States and played on outdoor clay courts. It was part of the men's Grand Prix and women's International Grand Prix. It was the 6th edition of the tournament and was held from August 5 through August 12, 1974. First-seeded Jimmy Connors won the men's singles title and accompanying $16,000 prize money while Chris Evert took the women's title.
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. Eddie Dibbs and Helga Masthoff won the singles titles.
The 1975 U.S. Clay Court Championships was a combined men's and women's Grand Prix tennis tournament held in Indianapolis in the United States and played on outdoor clay courts. It was the seventh edition of the tournament and was held from August 4 through August 11, 1975. Third-seeded Manuel Orantes won the men's singles title and the accompanying $16,000 first prize money while Chris Evert won the women's singles title.
The 1975 Suisse Open Gstaad was a men's tennis tournament played on outdoor clay courts in Gstaad, Switzerland. It was the 30th edition of the tournament and was held from 7 July through 13 July 1975. The tournament was part of the Grand Prix tennis circuit and categorized in Group B. Ken Rosewall won the singles title and the accompanying $8,000 prize money.
The 1974 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 fifth edition of the tournament and was held from 29 July through 5 August 1974. The tournament was part of the Grand Prix tennis circuit and categorized in Group AA. The singles final was won by tenth-seeded Guillermo Vilas who received the $16,000 first prize money and 80 Grand Prix points.
The 1985 D.C. National Bank Classic was a men's tennis tournament and was played on outdoor green clay courts. The event was part of the 1985 Grand Prix circuit. It was the 17th edition of the tournament and was held at Rock Creek Park in Washington, D.C. from July 15 through July 21, 1985. Third-seeded Yannick Noah won the singles title and earned $35,700 first-prize money.
The 1979 Nice International Open was a men's tennis tournament played on outdoor clay courts at the Nice Lawn Tennis Club in Nice, France, and was part of the 1979 Colgate-Palmolive Grand Prix. It was the eighth edition of the tournament and was held from 2 April until 8 April 1979. Fifth-seeded Víctor Pecci won the 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 1973 Berlin Open was a men's tennis tournament staged in Berlin, West Germany. The men's event was part of the Grand Prix circuit and categorized in Group C. The tournament was played on outdoor clay courts and was held from 4 June until 11 June 1973. It was the inaugural edition of the tournament and Hans-Jürgen Pohmann won the singles title.
The 1978 Chilean International Championships was a men's tennis tournament played on outdoor clay courts in Santiago, Chile that was part of the Grand Prix tennis circuit. It was the third edition of the tournament and was held from 27 November through 3 December 1978. Third-seeded José Luis Clerc won the singles title.
The 1973 Milo International Tennis Classic, also known as the Manila Open, was a men's tennis tournament played on outdoor clay courts in Manila, the Philippines. It was the inaugural edition of the event and was held from 15 October through 21 October 1973. The tournament was part of the Grade C tier of the Grand Prix tennis circuit and was the third leg of the Asian circuit. Ross Case won the singles title.
The 1974 Philippine Championships was a men's tennis tournament played on outdoor clay courts in Manila, the Philippines. It was the second edition of the event and was held from 11 November through 17 November 1974. The tournament was part of the Group B tier of the Grand Prix tennis circuit. Ismail El Shafei won the singles title.
Víctor Pecci [1] 
Patricio Cornejo / 
Antonio Muñoz [2] 